Tag: math & puzzles

Questions Related to math & puzzles

There is a circle with diameter of 8 cms.Find the Perimeter of largest square circumscribed that circle.
general knowledge math & puzzles

  1. 48

  2. 32

  3. 16

  4. 8

  5. 24

  6. none

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Correct Option: B

A shop keeper sold a T.V set for Rs.17,940 with a discount of 8% and earned a profit of 19.6%.What would have been the percentage of profit earned if no discount was offered?
general knowledge math & puzzles

  1. 0.248

  2. 0.25

  3. 0.264

  4. None of these

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Correct Option: D

A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 1 p.m. on the following day?
general knowledge math & puzzles

  1. 48 min. past 12

  2. 38 min. past 12

  3. 28 min. past 12

  4. 25 min. past 12

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Correct Option: A

What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12
general knowledge math & puzzles

  1. 16

  2. 9

  3. 15

  4. 6

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Correct Option: B

Dinesh travelled 1200 km by air which formed 2/5 of his trip. One third of the whole trip, he travelled by car and the rest of the journey he performed by train. What was the distance travelled by train?
general knowledge math & puzzles

  1. 600Km

  2. 700Km

  3. 800Km

  4. 900Km

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Correct Option: C

A train which travels at a uniform speed due to some mechanical fault after traveling for an hour goes at 3/5th of the original speed and reaches the destination 2 hrs late.If the fault had occurred after traveling another 50 miles the train would have reached 40 min earlier. What is distance between the two stations.

general knowledge math & puzzles

  1. 300

  2. 310

  3. 320

  4. 305

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Correct Option: A

The average between a two digit number and the number obtained by interchanging the digits is 9. What is the difference between the two digits of the number?
general knowledge math & puzzles

  1. 8

  2. 2

  3. 5

  4. Cannot be determined

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Correct Option: D

Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank
general knowledge math & puzzles

  1. 17 1/7 mins

  2. 20 mins

  3. 8 mins

  4. none of these

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Correct Option: A

If the radius of a circle is diminished by 10%, then its area is diminished by:
general knowledge math & puzzles

  1. 0.1

  2. 0.19

  3. 0.2

  4. 0.36

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Correct Option: B

A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs.Find the speed of the boat in still water and the speed of the water current?
general knowledge math & puzzles

  1. 1/2 kmph

  2. 7/12 kmph

  3. 5 kmph

  4. none of these

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Correct Option: B