4th Class Mathematics Factors and Multiples Question Bank

done Factors and Multiples Total Questions - 60

• question_answer1)
  Which of the following is an example for co-prime numbers?
  A)
   2, 6                             done clear
  B)
   4, 9     done clear
  C)
   11, 33             done clear
  D)
     3, 5 done clear
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• question_answer2)
  Which of these is an example for twin primes?
  A)
   11, 15             done clear
  B)
     17, 23 done clear
  C)
     3, 7                 done clear
  D)
     11, 13 done clear
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• question_answer3)
  Observe the following.

  \[\begin{align}   & \mathbf{1\times \_\_=30} \\  & \mathbf{2\times \_\_=30} \\  & \mathbf{3\times \_\_=30} \\  & \mathbf{5\times \_\_=30} \\ \end{align}\]

  What is the sum of all the missing factors of 30?
  A)
   60                               done clear
  B)
   30                   done clear
  C)
     45                   done clear
  D)
     61 done clear
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• question_answer4)
  What is the product of the common factors of 10 and 15?
  A)
   6                     done clear
  B)
     5                     done clear
  C)
   150                 done clear
  D)
     25 done clear
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• question_answer5)
  Study the given factor tree. One of the factors in the tree is wrong. Identify it.
  A)
   \[\text{6}=\text{2}\times \text{2}\] done clear
  B)
   \[\text{12}=\text{2}\times \text{6}\]  done clear
  C)
     \[\text{24}=\text{ 2}\times \text{12}\]   done clear
  D)
     \[\text{48}=\text{2}\times \text{24}\] done clear
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• question_answer6)
  Which of the following statements is correct?

  (i) 3 is a factor of 32. (ii) 20 and 32 have 3 common factors. (iii) 63 has only 2 factors other than1 and itself (iv) 7 is a factors of 46.

             
  A)
    (i) only done clear
  B)
   (ii) only done clear
  C)
   (i) and (iii) only done clear
  D)
   (i) and (iv) only done clear
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• question_answer7)
  Which of these is a common factor of 42 and 84?
  A)
   13 done clear
  B)
                             7                     done clear
  C)
   28                   done clear
  D)
     4 done clear
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• question_answer8)
  What is the difference between the fifth multiple of 7 and the seventh multiple of 5?
  A)
   35                   done clear
  B)
     70                   done clear
  C)
   0                     done clear
  D)
     60 done clear
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• question_answer9)
  What is the product of the first six multiples of 4?
  A)
   \[~\text{8}\times \text{12}\times \text{2}0\times \text{24}\] done clear
  B)
   \[\text{4}\times \text{12}\times \text{2}0\times \text{24}\] done clear
  C)
   \[\text{4 }\times \text{8 }\times \text{12}\times \text{16}\times \text{2}0\times \text{24}\] done clear
  D)
   \[\text{4}\times \text{8}\times \text{12}\times \text{16}\times \text{24}\] done clear
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• question_answer10)
  Which is the greatest among the following?
  A)
   The third multiple of 9. done clear
  B)
   The fifth multiple of 4. done clear
  C)
   The seventh multiple of 3. done clear
  D)
   The fourth multiple of 6. done clear
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• question_answer11)
  The smallest non-zero multiple of a number is___.
  A)
   0                     done clear
  B)
     1                     done clear
  C)
     the number itself         done clear
  D)
   2 done clear
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• question_answer12)
  The numbers in the box are the multiples of a number. Identify the number.
  A)
   9                     done clear
  B)
     6                     done clear
  C)
   7                     done clear
  D)
     3 done clear
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• question_answer13)
  Study the given multiples of two numbers. What is the product of the two numbers?
  A)
   2                     done clear
  B)
     6                     done clear
  C)
   3                     done clear
  D)
     5 done clear
  View Solution play_arrow

• question_answer14)
  Which of the following is the first common multiple of 3 and 4?
  A)
   12                   done clear
  B)
     8                     done clear
  C)
   6                     done clear
  D)
     36 done clear
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• question_answer15)
  Find the sum of second common multiple and first common multiple of 4 and 5.
  A)
   60                   done clear
  B)
     40                   done clear
  C)
   0                     done clear
  D)
     20 done clear
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• question_answer16)
  Which of the following is the smallest prime number greater than 50?
  A)
   53                   done clear
  B)
     50                   done clear
  C)
   47                   done clear
  D)
     57 done clear
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• question_answer17)
  Which of the following is the greatest prime number less than 50?
  A)
   50                   done clear
  B)
     49       done clear
  C)
   47                   done clear
  D)
     43 done clear
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• question_answer18)
  What is the product of all odd numbers between 3 and 8?
  A)
   5                     done clear
  B)
     24                   done clear
  C)
   12                   done clear
  D)
     35 done clear
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• question_answer19)
  Identify the odd number immediately after 73999.
  A)
   73997             done clear
  B)
     73990.            done clear
  C)
   73001                         done clear
  D)
   74001 done clear
  View Solution play_arrow

• question_answer20)
  What is the product of all even numbers between 3 and 7?
  A)
   4                     done clear
  B)
     24                   done clear
  C)
   10                   done clear
  D)
     21 done clear
  View Solution play_arrow

• question_answer21)
  A What is the sum of the odd numbers between 5 and 12?
  A)
   7                     done clear
  B)
     27                   done clear
  C)
   16                   done clear
  D)
     17 done clear
  View Solution play_arrow

• question_answer22)
  Which is the greatest factor of a number?
  A)
   0                                 done clear
  B)
   1                     done clear
  C)
     The number itself        done clear
  D)
   Twice the number done clear
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• question_answer23)
  Find the two factors of 31.
  A)
   0, 31               done clear
  B)
     2, 15   done clear
  C)
     31, 1               done clear
  D)
     62, 31 done clear
  View Solution play_arrow

• question_answer24)
  Which number should be added to 695 to make it divisible by 10?
  A)
   1                                 done clear
  B)
   2                     done clear
  C)
   0                     done clear
  D)
     5 done clear
  View Solution play_arrow

• question_answer25)
  Which number should be subtracted from 642 to make it divisible by 8?
  A)
   0                     done clear
  B)
   1                     done clear
  C)
   2                     done clear
  D)
     640 done clear
  View Solution play_arrow

• question_answer26)
  Study the following.

  The number is a multiple of 4, between 6 and 15. It is also a factor of 16.

  Identify the number described in the box.
  A)
   12                   done clear
  B)
     16                   done clear
  C)
   8                     done clear
  D)
     4 done clear
  View Solution play_arrow

• question_answer27)
  Identify from among the following, the number which is divisible by 2 but not by 4.
  A)
   16                               done clear
  B)
   26       done clear
  C)
   24                               done clear
  D)
   32 done clear
  View Solution play_arrow

• question_answer28)
  Which of the following numbers have a common factor 8?
  A)
   32 and 56       done clear
  B)
     4 and 8           done clear
  C)
     27 and 54       done clear
  D)
     8 and 18 done clear
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• question_answer29)
  By which number should the sum of the digits of a given number be divisible, for it to be divisible by 3?
  A)
   1                     done clear
  B)
     2                     done clear
  C)
   9                     done clear
  D)
     3 done clear
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• question_answer30)
  What type of numbers are 21 and 31?
  A)
   Prime                          done clear
  B)
   Composite      done clear
  C)
     Co-prime        done clear
  D)
     Twin prime done clear
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• question_answer31)
  Which number fills the blank?

  11 and ____ are co-prime numbers.

             
  A)
               11                   done clear
  B)
     88       done clear
  C)
   143                 done clear
  D)
     13 done clear
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• question_answer32)
  What is the sum of prime numbers between 20 and 30?
  A)
   50                               done clear
  B)
   23                   done clear
  C)
   52                   done clear
  D)
     51 done clear
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• question_answer33)
  Find the missing number.

  Every prime number except ____ is odd.

             
  A)
   1                                 done clear
  B)
   3                     done clear
  C)
   2                     done clear
  D)
     0 done clear
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• question_answer34)
  Find the even number immediately after 17599.
  A)
    17590            done clear
  B)
     17560 done clear
  C)
     17600             done clear
  D)
     18600 done clear
  View Solution play_arrow

• question_answer35)
  Which among the following is a composite number?
  A)
    17                              done clear
  B)
   19                   done clear
  C)
   21                   done clear
  D)
     23 done clear
  View Solution play_arrow

• question_answer36)
  What is the sum of the least prime number and the least composite number?
  A)
   1                     done clear
  B)
   2                     done clear
  C)
   6                     done clear
  D)
     4 done clear
  View Solution play_arrow

• question_answer37)
  Which of the following is the greatest prime number less than 100?
  A)
   97                               done clear
  B)
   99       done clear
  C)
   93                   done clear
  D)
     100 done clear
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• question_answer38)

  Direction: The given incomplete table shows the number of pencils sold in two shops A and B in a week.  Sunday Monday Tuesday Wednesday Thursday Friday Saturday A 3 6 12 21 B 4 8 20

  How many pencils were sold by shop B on Saturday?
  A)
                12                               done clear
  B)
   28                   done clear
  C)
   16                   done clear
  D)
     24 done clear
  View Solution play_arrow

• question_answer39)

  Direction: The given incomplete table shows the number of pencils sold in two shops A and B in a week.  Sunday Monday Tuesday Wednesday Thursday Friday Saturday A 3 6 12 21 B 4 8 20

  On which two days respectively did the shops A and B sell the same number of pencils?
  A)
   Thursday, Wednesday done clear
  B)
   Wednesday, Thursday done clear
  C)
   Tuesday, Wednesday done clear
  D)
   Wednesday, Tuesday done clear
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• question_answer40)

  Direction: The given incomplete table shows the number of pencils sold in two shops A and B in a week.  Sunday Monday Tuesday Wednesday Thursday Friday Saturday A 3 6 12 21 B 4 8 20

  How many more pencils were sold by shop B than shop A on Friday?
  A)
       18                   done clear
  B)
     6                     done clear
  C)
                 12                   done clear
  D)
     24 done clear
  View Solution play_arrow

• question_answer41)
  What is the prime factorization of 24?
  A)
   \[\text{2}\times \text{3}\times \text{4}\]         done clear
  B)
     \[~\text{2}\times \text{2}\times \text{2 }\times \text{3}\]      done clear
  C)
   \[~\text{6}\times \text{4}\]                done clear
  D)
     \[\text{8}\times \text{3}\] done clear
  View Solution play_arrow

• question_answer42)
  The table lists the number of factors for some numbers.

  Number	Number of factions
  21	4
  23	2
  25	3
  27	4
  29	2

  How many prime numbers are there between 20 and 30?
  A)
   0                     done clear
  B)
     2                     done clear
  C)
   3                     done clear
  D)
     4 done clear
  View Solution play_arrow

• question_answer43)
  Find a number which is a multiple of all the numbers from 1 to 10?
  A)
                5040   done clear
  B)
     1260   done clear
  C)
     720                 done clear
  D)
     1440 done clear
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• question_answer44)
  Observe the following sums. Find the sum \[\text{1}+\text{3}+\text{5}+\text{7}+\text{9}+.....+\text{ 19}\]?
  A)
    121                            done clear
  B)
   81                   done clear
  C)
   100                 done clear
  D)
     64 done clear
  View Solution play_arrow

• question_answer45)
  How many factors does 48 have?
  A)
   2                     done clear
  B)
     4                     done clear
  C)
   6                     done clear
  D)
     10 done clear
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• question_answer46)
  Identify a suitable statement for the given blank.

  A prime number has_________.

  A)
   0, 2, 4, 6 or 8 in its ones place. done clear
  B)
   1, 3, 5, 7 or 9 in its ones place. done clear
  C)
   2 factors only. done clear
  D)
   2 multiples only. done clear
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• question_answer47)
  Which of the following is the least 2-digit number that has 2, 5 and 8 as factors?
  A)
   80                   done clear
  B)
     40       done clear
  C)
   16                   done clear
  D)
     10 done clear
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• question_answer48)
  Observe the given multiples of 37. From the pattern, find the product of 37 and 27.
  A)
   999 done clear
  B)
  The greatest 3 digit number. done clear
  C)
   Either (A) or (B). done clear
  D)
   The smallest 3-digit number. done clear
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• question_answer49)
  Find a factor of the number shown on the spike abacus.
  A)
   8                                 done clear
  B)
   7                     done clear
  C)
   5                     done clear
  D)
     9 done clear
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• question_answer50)
  A Ravi wrote two digits of a 3-digit number w on the blackboard as shown in the grid

  1

  ?

  3

  Find the missing digit if it has 11 and 13 as factors?
  A)
   2                                 done clear
  B)
   4                     done clear
  C)
   6                     done clear
  D)
     8 done clear
  View Solution play_arrow

• question_answer51)
  A given number, less than 20 is a multiple of 3. What is the number if 6 is not one of its factors?
  A)
   15                               done clear
  B)
   12                   done clear
  C)
   18                   done clear
  D)
     6 done clear
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• question_answer52)
  What is the product of the first three common multiples of 5 and 10?
  A)
   6000   done clear
  B)
     600                 done clear
  C)
   2000   done clear
  D)
     3000 done clear
  View Solution play_arrow

• question_answer53)
  How many prime numbers are there from 50 to 70?
  A)
   2                     done clear
  B)
     3                     done clear
  C)
   4                     done clear
  D)
     5 done clear
  View Solution play_arrow

• question_answer54)
  Find the prime number from the following
  A)
   17       done clear
  B)
     28                   done clear
  C)
   39                   done clear
  D)
     4 done clear
  View Solution play_arrow

• question_answer55)
  Which digit is in the hundreds place of the sum of the first five common multiples of 4 and 8?
  A)
   2                     done clear
  B)
     0                     done clear
  C)
   4                                 done clear
  D)
   1 done clear
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• question_answer56)
  Which of the following is a multiple of   6 and 9?
  A)
   138                 done clear
  B)
     168                 done clear
  C)
   108                 done clear
  D)
     48 done clear
  View Solution play_arrow

• question_answer57)
  What is the sum when 11 is added to the next prime number?
  A)
   23                               done clear
  B)
   13                   done clear
  C)
     24                   done clear
  D)
     25 done clear
  View Solution play_arrow

• question_answer58)
  What is the smallest number that must be added to 7260 to make it divisible by 9?
  A)
   6                     done clear
  B)
     4                     done clear
  C)
   5                     done clear
  D)
     3 done clear
  View Solution play_arrow

• question_answer59)
  Which of the following is a pair of prime numbers whose sum is 9?
  A)
   2, 7                 done clear
  B)
     5, 4     done clear
  C)
   3, 6                 done clear
  D)
     1, 8 done clear
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• question_answer60)
  What is the difference in the place values of 4 in the product of the first three common multiples of 3 and 9?
  A)
                3699               done clear
  B)
   3996   done clear
  C)
     4734   done clear
  D)
     4374 done clear
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