Maths Practice Question and Answer

Q:

The total sum of amounts of A and B at the end of 4 years and 2 years respectively on the same principal is Rs. 20,020. If A is charged Simple interest at the rate 10% and B is charged Compound interest at the rate 5%. The principal is?

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  • 1
    Rs. 5,000
    Correct
    Wrong
  • 2
    Rs. 7,500
    Correct
    Wrong
  • 3
    Rs. 2,500
    Correct
    Wrong
  • 4
    Rs. 8,000
    Correct
    Wrong
  • 5
    Rs. 6,000
    Correct
    Wrong
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Answer : 4. "Rs. 8,000"

Q:

P can do $${1\over 2} $$ of a work in 10 days and Q can do $${1\over 5}$$of the same work in 4 days. In how many days can both finish the work, working together?

924 0

  • 1
    14 days
    Correct
    Wrong
  • 2
    10 days
    Correct
    Wrong
  • 3
    15 days
    Correct
    Wrong
  • 4
    5 days
    Correct
    Wrong
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Answer : 2. "10 days"

Q:

A car covers the first 35 km in 45 minutes and the remaining 69 km in 75 minutes. What is the average speed of the car?

924 0

  • 1
    42
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    52
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 3. "52"

Q:

Aman and Raman together can complete a work in 30 days, Raman and Manan can complete the same work in 36 days and Manan and Aman can complete the same work in 45 days. In how many days can all three together complete the work?

923 0

  • 1
    12
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 3. "24"

Q:

A sector area of 4%   is removed from a circular sheet of paper of diameter 50 cm, If the remaining part is used to make a conical surface , then the ratio of radius and height of the-

923 0

  • 1
    14 : 15
    Correct
    Wrong
  • 2
    25 : 18
    Correct
    Wrong
  • 3
    12 : 7
    Correct
    Wrong
  • 4
    24 : 7
    Correct
    Wrong
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Answer : 4. "24 : 7"

Q:

35 percent of a number is 1249.5. What is 78 percent of that number?

923 0

  • 1
    2382.5
    Correct
    Wrong
  • 2
    2784.6
    Correct
    Wrong
  • 3
    2912.25
    Correct
    Wrong
  • 4
    2452.6
    Correct
    Wrong
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Answer : 2. "2784.6"

Q:

The rates of working of A and B are in the ratio of 2 : 3. The number of days taken by each of them to finish the work is in the ratio : 

922 0

  • 1
    3 : 2
    Correct
    Wrong
  • 2
    9 : 4
    Correct
    Wrong
  • 3
    2 : 3
    Correct
    Wrong
  • 4
    4 : 9
    Correct
    Wrong
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Answer : 1. "3 : 2 "

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