Maths Practice Question and Answer

Q:

A crate of fruits contains one spoiled fruit for every 25 fruits. 60 % of the spoiled fruit were sold. IF the seller had sold 48 spoiled fruits, then the number of fruits in the crate were:

2857 0

  • 1
    3000
    Correct
    Wrong
  • 2
    2400
    Correct
    Wrong
  • 3
    1200
    Correct
    Wrong
  • 4
    2000
    Correct
    Wrong
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Answer : 4. "2000"
Explanation :

Let spoiled fruit=100

60 % of spoiled fruit sell=48

Then total spoiled fruit =48/60*100=80

Total Fruit=80*25=2000


Q:

A moving train crosses a man standing on a platform and a bridge 640 metres long in 15 seconds and 35 seconds respectively. What will be the time taken by the train to cross a platform 1280 meters long?

2857 0

  • 1
    Correct
    Wrong
  • 2
    18 seconds
    Correct
    Wrong
  • 3
    55 seconds
    Correct
    Wrong
  • 4
    22 seconds
    Correct
    Wrong
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Answer : 3. "55 seconds"

Q: A, B and C can complete a work in 10, 15 and 20 days respectively. A and B start it together. B is replaced by C after 2 days. A leave it after one more day. In how many days work was completed? 2854 0

  • 1
    13
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 2. " "

Q:

In a test consisting of 150 questions carrying 1 mark each, Saurabh answered 80 % of the first 75 question correctly. What percent of the other 75 question does he need to answer correctly to score 60 % overall? 

2854 0

  • 1
    20
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 2. "40"

Q: P takes 5 more hours to complete a work in comparison to Q. They work together for 6 hours. In how many days can Q complete the same work. 2852 1

  • 1
    8 hours
    Correct
    Wrong
  • 2
    10 hours
    Correct
    Wrong
  • 3
    12 hours
    Correct
    Wrong
  • 4
    15 hours
    Correct
    Wrong
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Answer : 4. "15 hours"

Q: The simple interest on a certain sum at 5% per annum for 3 years and 4 years differ by Rs. 42. The sum is : 2847 1

  • 1
    Rs. 210
    Correct
    Wrong
  • 2
    Rs. 280
    Correct
    Wrong
  • 3
    Rs. 750
    Correct
    Wrong
  • 4
    Rs. 840
    Correct
    Wrong
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Answer : 4. "Rs. 840"

Q:

Direction (66-70): What should come in place of the question mark(?) in the following number series?

7, 8 , 17, 42, ?

2845 0

  • 1
    67
    Correct
    Wrong
  • 2
    78
    Correct
    Wrong
  • 3
    91
    Correct
    Wrong
  • 4
    106
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "91"

Q:

In a factory, the salary of each worker is increased in the ratio 22 : 25 but the number of workers is decreased by . The net effect on the salary is: 

2838 0

  • 1
    Correct
    Wrong
  • 2
    + 20%
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    -10%
    Correct
    Wrong
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Answer : 3. ""

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