Maths Practice Question and Answer

Q:

The least number that should be added to 35460 so that the sum is exactly divisible by 3, 4, 5 and 7 is:

1183 0

  • 1
    180
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 3. "240 "

Q:

If x = z = 225 and y = 226 then the value of : x3 + y3 + z3 – 3xyz is

1183 0

  • 1
    765
    Correct
    Wrong
  • 2
    676
    Correct
    Wrong
  • 3
    576
    Correct
    Wrong
  • 4
    674
    Correct
    Wrong
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Answer : 2. "676 "

Q:

If Anju is 30% more efficient than Bitt, then how much time will they take, working together, to complete a job which Anju alone could have done in 23 days?

1183 0

  • 1
    11 days
    Correct
    Wrong
  • 2
    13 days
    Correct
    Wrong
  • 3
    15 days
    Correct
    Wrong
  • 4
    16 days
    Correct
    Wrong
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Answer : 2. "13 days "

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Answer : 2. "D"

Q:

Which of the following options is divisible by 11?

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  • 1
    28171
    Correct
    Wrong
  • 2
    27667
    Correct
    Wrong
  • 3
    29817
    Correct
    Wrong
  • 4
    28196
    Correct
    Wrong
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Answer : 1. "28171"

Q:

The compound interest on a sum of ₹5,500 at 15% p.a. for 2 years, when the interest is  compounded 8 monthly, is:

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  • 1
    ₹1,850
    Correct
    Wrong
  • 2
    ₹1,880
    Correct
    Wrong
  • 3
    ₹1,820.50
    Correct
    Wrong
  • 4
    ₹1,773.75
    Correct
    Wrong
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Answer : 3. "₹1,820.50"

Q:

B is 10% more than A. C is 20% less than A. B is what percentage more than C?

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  • 1
    45%
    Correct
    Wrong
  • 2
    27.5%
    Correct
    Wrong
  • 3
    37.5%
    Correct
    Wrong
  • 4
    25%
    Correct
    Wrong
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Answer : 3. "37.5%"

Q:

As observed from the top of a light house, 120 √3 m above the sea level, the angle of depression of a ship sailing towards it changes from 30° to 60°. The distance travelled by the ship during the period of observation is:

1182 0

  • 1
    120 √3 m
    Correct
    Wrong
  • 2
    180 √3 m
    Correct
    Wrong
  • 3
    180 m
    Correct
    Wrong
  • 4
    240 m
    Correct
    Wrong
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Answer : 4. "240 m"

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