9th Class Mathematics Related to Competitive Exam Question Bank

done Word Problems Based on Mathematics Total Questions - 40

• question_answer1)
  In an examination, Vinod secured 70% of the maximum marks, which is 187 marks more than the pass marks. If the passing marks are 36%, then the marks secured by Vinod in the examination, is _________
  A)
  180                               done clear
  B)
  272          done clear
  C)
  385         done clear
  D)
  478 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  The population of a city is increased by 20% at the end of every year. Its population will be doubled in ________.
  A)
  2 years              done clear
  B)
    3 years      done clear
  C)
  4 years     done clear
  D)
                5 years       done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer3)
                                                              21 binders can bind 1400 books in 20 days. How many binders will be required to bind 880 books in 22 days?
  A)
  12        done clear
  B)
                                        9     done clear
  C)
       49    done clear
  D)
                                                    28 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer4)
  A man takes 8 hours 25 minutes in walking to a certain place and riding back. He would have taken 3 hours less by riding both ways. What would be the time he would take to walk both ways?
  A)
  11 hr 25 minutes done clear
  B)
    9 hr 35 minutes done clear
  C)
  8 hr 20 minutes  done clear
  D)
  12 hr 20 minutes done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer5)
  The price of an article is increased by 25%. By what percentage its consumption be reduced so that the expenditure on it reduce by 15%
  A)
  15%          done clear
  B)
    25%       done clear
  C)
  32%  done clear
  D)
                            28% done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer6)
  Anil, Vinod and Prakash divide a certain amount among themselves. The average of the amounts with them is Rs. 960. Anil's share is \[\mathbf{18}\frac{\mathbf{2}}{\mathbf{11}}%~\]  more than that of Vinod and \[\mathbf{19}\frac{\mathbf{13}}{\mathbf{18}}%\] less than that of Prakash. Find Prakash's share (in Rs.)
  A)
  Rs. 880        done clear
  B)
  Rs. 970    done clear
  C)
  Rs. 1080   done clear
  D)
  Rs. 11260 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer7)
  Arjun spends 70% of his income. If his income is by 30% and also his expenditure is increased by 45%, then percentage of his  is savings is ________
  A)
  Increased by 95%           done clear
  B)
  Increased by 15% done clear
  C)
  Decreased by 5% done clear
  D)
    Decreased by 95% done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  The list price of a LED TV is Rs. 27000. The shopkeeper sold it by allowing a 5% discount and charged 6% sales tax on it. By mistake, while calculating the bill, he considered 4% discount and 5% sales tax. As a result his customer has paid ________.
  A)
  Rs. 27 more       done clear
  B)
  Rs. 27 less     done clear
  C)
  Rs. 230 more   done clear
  D)
  Rs. 230 less done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer9)
  The ratio of the present ages of Mr, Abhimanyu and Mr. Yuvraj is 4: 3. Which of the following cannot be the ratio of their ages 4 years ago?
  A)
  3 : 2                  done clear
  B)
                2 : 1    done clear
  C)
     7 : 8         done clear
  D)
                10 : 7 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer10)
  If x + y varies directly with x - y, then which one of the following is true?
  A)
  x and y vary directly   done clear
  B)
  \[{{x}^{2}}+\text{ }{{y}^{2}}\] and \[{{x}^{2}}-\text{ }{{y}^{2}}\] vary directly done clear
  C)
  Both A and B done clear
  D)
  \[{{x}^{2}}+\text{ }{{y}^{2}}\] and \[{{x}^{2}}-\text{ }{{y}^{2}}\] vary indirectly done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer11)
  A certain number of men can complete a job in 40 days. Had there been 5 more men, number of days required to finish the job in 60 days.
  A)
  10 men     done clear
  B)
                            15 men  done clear
  C)
  20 men                                                  done clear
  D)
  25 men done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer12)
  34 men can complete \[\frac{\mathbf{2}}{\mathbf{5}}\mathbf{th}\] of a work in 7 days. How many additional men are required to complete the remaining work in another 7 days?
  A)
  13 men              done clear
  B)
                15 men  done clear
  C)
    17 men   done clear
  D)
                                        19 men done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer13)
  Anubhav can complete a job in 8 days working 7 hours a day and Vishal can complete the same work in 7 days working 6 hours a day. If both of them start on the same job together working 8 hours a days, then how many days are required to finish the job?
  A)
  2 days     done clear
  B)
                                                    3 days  done clear
  C)
     4 days      done clear
  D)
                5 days done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer14)
  Tom is thrice as good as workman as John and therefore is able to finish a job in 60 days less than John. Working together, how many days will be required to complete the job?                                     
  A)
  45 days done clear
  B)
                                        22.5 days done clear
  C)
                         67.5 days                                              done clear
  D)
  Cannot be calculated              done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer15)
  Shatabdi Express has a capacity of 500 seats of which 10% is in the Executive Class, rest being Chair Car. During one journey the train was booked to 85% of its capacity. If Executive Class was booked to 96% of its capacity, how many Chair Car seats were empty during that journey?
  A)
  75                     done clear
  B)
  73          done clear
  C)
  71                                                         done clear
  D)
  79 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer16)
  Pipe A can fill a tank in 20 minutes and pipe B can fill the tank in 50 minutes. Both the pipes can fill at the rate of 14 litres per second. The capacity of the tank (in litres) is _________
  A)
  10000 l done clear
  B)
                1320 l done clear
  C)
  12000 l done clear
  D)
  5600 l done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer17)
  Find the ratio in which two milk solutions of milk to water ratio 1:3 and 1:5 should be mixed to get milk to water ratio of 1:4.
  A)
  1:1                                                        done clear
  B)
  3:5           done clear
  C)
  2:3          done clear
  D)
  3:4        done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer18)
  Amit start his journey from Delhi to Jaipur at a speed of 50km/hr. After travelling certain distance, he realized that he has travelled only 40 % of the distance and he has already consumed half of the permissible time. At what speed, he should travel the remaining distance in order to      reach his destination in permissible time.
  A)
  75 km/ hr           done clear
  B)
  80 km/ hr     done clear
  C)
  65 km/ hr                                               done clear
  D)
  72 km/ hr done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer19)
  4 men and 10 women were put on a work. They completed \[\frac{\mathbf{1}}{\mathbf{3}}\]rd of the work in 4 days. After this 2 men and 2 women were increased. They completed \[\frac{\mathbf{2}}{\mathbf{9}}\]th more work in 2 days. If the remaining work is to be completed in 3 days, then how many more women must be increased?
  A)
  22                     done clear
  B)
  30          done clear
  C)
  8            done clear
  D)
  18 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer20)
  Two taps A and B can fill a tank in 12 hours and 8 hours respectively. If they are opened on alternate hours and if pipe B is opened first then in how many hours tank will be full?
  A)
  \[9\frac{3}{4}\] hours      done clear
  B)
                \[9\frac{1}{2}\] hours     done clear
  C)
  \[10\frac{1}{4}\] hours                                       done clear
  D)
  9 hours done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer21)
  A contractor undertakes to do a piece of work in 36 days and employs 15 men to work 9 hours a day, but after 24 days, he finds that only \[\frac{\mathbf{3}}{\mathbf{5}}\]th of the work is finished. He then employ 3 more men For how many hours a day should all the men now work together to finish the work in time.  
  A)
  9 hours  done clear
  B)
    10 hours done clear
  C)
  11 hours                                                done clear
  D)
  \[9\frac{1}{2}\] done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer22)
  There are three taps to fill a tank whose diameters are 1 cm, \[\mathbf{1}\frac{\mathbf{1}}{\mathbf{3}}\] cm and 2 cm. The tap having the biggest diameter can fill the tank in 61 minutes. If all the three taps are opened together then in how many minutes the tank will be full? It is given that the flow of water in each tap is directly, proportional to the square of the diameter,       
  A)
                 20 minutes         done clear
  B)
  36 minutes    done clear
  C)
  18 minutes                                             done clear
  D)
  38 minutes done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer23)
  A boat in the direction of flow covers a distance of 60 km in 4 hours. If speed of the boat is twice the speed of flow then how much distance will it cover in 2 hours opposite to the flow?
  A)
  8 km      done clear
  B)
                                       10 km    done clear
  C)
  12 km     done clear
  D)
                            9 km done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer24)
  16 men complete a work in 12 days. They worked for 4 days. To finish the remaining work in 4 days, how many more men should join in?
  A)
  16        done clear
  B)
  30           done clear
  C)
  12       done clear
  D)
                                       12 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer25)
  4 boys and 6 women can do a work in 4 days while 2 boys and 4 women can do it in 7 days. In how many days 3 boys and 1 woman can do the same work?
  A)
  10 days      done clear
  B)
   12 days done clear
  C)
  13 days      done clear
  D)
  8 days done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer26)
  Ram's income is 20% more than Sunil. How much percent is Sunil's income less than Ram's?
  A)
  \[8\frac{2}{3}%\] %         done clear
  B)
   \[16\frac{2}{3}%\]% done clear
  C)
  20 %     done clear
  D)
    80 % done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer27)
  A person purchased an article and sold it at a loss of 10 %. If he had brought it for 20 % less and sold it for Rs. 55 more, he would have made a profit of 40 %. The cost price of the article is _______
  A)
  Rs. 285         done clear
  B)
                Rs. 240  done clear
  C)
        Rs. 225 done clear
  D)
  Rs. 250 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer28)
  The price of refined oil is raised by 10%. Find out by how much percent a housewife must reduce her consumption of oil so as not to increase her expenditure?
  A)
  \[7\frac{1}{11}%\]% done clear
  B)
  \[9\frac{1}{11}%\]% done clear
  C)
  \[3\frac{1}{8}%\]% done clear
  D)
  \[7\frac{1}{8}%\]% done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer29)
  A man covered a distance of 3990 km partly by air, partly by sea and remaining by land. The time spent in air, on sea and on land is in the ratio 1: 16: 2 and the ratio of average speeds is 20: 1: 3 respectively. If total average speed is 42 km/hr, then the distance covered by sea is _________
  A)
  1602 kms    done clear
  B)
                                        1520 kms done clear
  C)
  1620 kms         done clear
  D)
  1500 kms done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer30)
  P is four times as fast as Q and Q is six times as fast as R. If a certain distance is covered by Q in 28 minutes, then the time taken by C to cover the same distance is _________
  A)
  2 : 48 hrs   done clear
  B)
                                        2 : 28 hrs done clear
  C)
  2 : 50 hrs                                               done clear
  D)
  2 : 55 hrs done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer31)
  Two men start together to walk to a certain destination, one at 3.75 km an hour and another at 3 km an hour. The former arrives half an hour the latter. The distance is ________
  A)
  7.5 km    done clear
  B)
                                        8 km done clear
  C)
  8.5 km                                      done clear
  D)
  7 km done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer32)
  A thief steals a car at 1: 30 pm and drives it at 40 km an hour. The theft is discovered at 2 pm and owner sets off in another car at 50 km an hour. He will overtake the thief at ________
  A)
  3 : 00 pm                                  done clear
  B)
  3 : 30 pm done clear
  C)
  4 : 00 pm        done clear
  D)
  5 : 00 pm done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer33)
  In what proportion water be mixed with pure milk in order to make a profit of 20 % by selling it at cost price?
  A)
  2 : 3    done clear
  B)
  1 : 5       done clear
  C)
  3 : 4                                                      done clear
  D)
  4 : 3 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer34)
  The cost price of 15 articles is same to the selling price of 10 articles. So, the percent is ________
  A)
  50%      done clear
  B)
  30%       done clear
  C)
  25%                                                      done clear
  D)
  100% done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer35)
  12 men alone can complete a work in 6 days, whereas 10 men and 21 women together take 3 days to complete the same piece of work. In how many days can 12 women alone complete the piece of work?
  A)
  9    done clear
  B)
                                                    10          done clear
  C)
  11                                                         done clear
  D)
  12 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer36)
  From a vessel containing 100 l of milk, 10 l are drawn out and equal amount of water is added. From the mixture, 10 l is again drawn out and same quantity of water is added. What is the final ratio of milk and water?
  A)
  90 : 10  done clear
  B)
  80 : 20 done clear
  C)
  81 : 19       done clear
  D)
   91 : 9 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer37)
  The marks of 3 students Ravi, Deepu and Vineet are in the ratio 10:12:15. If the maximum marks of the test paper are 100, then the marks of Deepu cannot be in the range of ________
  A)
  \[70-80\] done clear
  B)
  \[60-70\] done clear
  C)
  \[80-90\]   done clear
  D)
  \[40-50\] done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer38)
  Men, women and children are employed to do a work in proportion of 3: 2: 1 and their wages are 5: 3: 2. When 90 men are employed, total daily wages of all amounts to Rs. 10,350. Find the daily wage of a man.
  A)
  Rs. 75   done clear
  B)
                                                    Rs. 115       done clear
  C)
  Rs. 95               done clear
  D)
    Rs. 100 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer39)
  For every set of 19 kites sold, a vendor gives 1 kite extra, free of cost. In order to give a discount of 10 % the number of extra kites he should give in a sale of 27 kites to the nearest integer is ________
  A)
  5        done clear
  B)
  3   done clear
  C)
  4      done clear
  D)
  6 done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer40)
  A container has 60 litres of milk. From this container 6 litre of milk was taken out and replaced by water. The process was further repeated twice. The volume of milk in the container after that is  ________
  A)
  38.52 l       done clear
  B)
                43 74 l   done clear
  C)
  42.68 l    done clear
  D)
                                       39.85 l done clear
  E)
  None of these done clear
  View Solution play_arrow