8th Class Mathematics Related to Competitive Exam Question Bank

done Self Test-8 Total Questions - 10

• question_answer1)
  A bag contains the coins of different denominations such as 50 Paise, 25 Paise and 10 Paise. If the number of coins is in the ratio 4 : 6 : 10 respectively and the sum of all the coins is Rs. 180. Find the number of 50 Paise coins in the bag.
  A)
   80 done clear
  B)
   120           done clear
  C)
   200 done clear
  D)
   240 done clear
  E)
   None of these done clear
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• question_answer2)
  Thomas needs some money for the construction work of his house and he does not have enough money for this work. He decides to lend the money from the money lender. He borrows Rs. 2750 at the rate of 12% and lend the same amount to his friend at the rate of 18% per annum as he decides to postpone his work for some time because his friend needs the amount urgently. His friend pays him back the amount after two years and he returns the due amount to the money lender. The amount of money he earns form this transaction is:
  A)
   Rs. 250 done clear
  B)
   Rs. 330        done clear
  C)
   Rs. 450 done clear
  D)
   Rs. 340 done clear
  E)
   None of these done clear
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• question_answer3)
  Mary prepares two types of mixture of fruit juice and wine in the ratio of 3 : 2 and 4 : 5. Later she realizes that the mixture is not appropriate and wants to make the concentration of both the fruit juice and wine in the same ratio in the both mixtures and so she mixes them together. If she wants to mix 3 cans of first type with that of second type of the mixture, then how many cans of second type does she require for this process so that she can obtain the require mixture?
  A)
   5.4 done clear
  B)
   5               done clear
  C)
   4.5 done clear
  D)
   6 done clear
  E)
   None of these done clear
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• question_answer4)
  If 10 men and 14 women can earn Rs. 1750 per day. How much would 10 man and 10 women can earn per day?
  A)
   Rs. 2500 done clear
  B)
   Rs. 2475       done clear
  C)
   Rs. 575 done clear
  D)
   Rs. 2675 done clear
  E)
   None of these done clear
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• question_answer5)
  Three friends Thomas, Harry and James went for the marathon and start their run at 6 A.M. and run through planes and hills on their way and return at 12 P.M. If their speed on the plane ground is 4 km/h, up the hill it is 3 km/h and down the hill it is 6 km/h. Find the total distance they cover during the whole journey.
  A)
   15km done clear
  B)
   10km        done clear
  C)
   12km done clear
  D)
   18km done clear
  E)
   None of these done clear
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• question_answer6)
  Robert went to the shop to purchase some salt. He found that the cost of 12 packets of salt each having the weight 800 grams is Rs. 86. If he decided to purchase 27 packets of salt each of which weights 1000 gm then how much amount he will have to pay for this purchase?
  A)
   Rs. 250.00 done clear
  B)
   Rs. 158.50 done clear
  C)
   Rs. 160.50 done clear
  D)
   Rs. 170.50 done clear
  E)
   None of these done clear
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• question_answer7)
  The yield of wheat in the first and second field is given by the diagram below: The first field has radius 8 cm and second field has radius 10 cm. If the first field yields 800 kg of wheat then the yield of second field is?
  A)
   1250kg done clear
  B)
   775kg         done clear
  C)
   900 kg done clear
  D)
   1042kg done clear
  E)
   None of these done clear
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• question_answer8)
  A publishing house employees 6 typists to type the manuscript of a book. If the typists work for 5 hours a day and takes 16 days to complete the work. Due to some reason two typists leave the work before it starts and hence the company is left with only 4 typists to complete the work. In how many days will 4 typists complete the same job working 6 hour a day?
  A)
   20 days done clear
  B)
   15 days done clear
  C)
   10 days done clear
  D)
   12 days done clear
  E)
   None of these done clear
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• question_answer9)
  In an army of 1000 soldiers there is a provision of food for 48 days when they are in remote areas for their duty or on the war. Due to infiltration of enemy 600 more soldiers are inducted in the group so that they can fight with the situation of urgency. For how many days will the given food last in the canteen?
  A)
   12 days done clear
  B)
   30 days done clear
  C)
   45 days done clear
  D)
   60 days done clear
  E)
   None of these done clear
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• question_answer10)
  In an elastic spring the longitudinal extensions is directly proportional to the weight hanged on the spring. If a weight of 300 kg produces an extensions of 5.8 meters, then find the weight which will produce an extensions of 34.8 meters.
  A)
   1800kg done clear
  B)
   1600kg done clear
  C)
   1400kg done clear
  D)
   1200kg done clear
  E)
   None of these  done clear
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