Tag: math & puzzles

Questions Related to math & puzzles

At present, the ratio between the ages of Arun and Deepak is 4 : 3. After 6 years, Arun's age will be 26 years. What is the age of Deepak at present ?

general knowledge math & puzzles

  1. 12

  2. 15

  3. 19 and half

  4. 21

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Correct Option: B

The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
general knowledge math & puzzles

  1. 8, 20, 28

  2. 16, 28, 36

  3. 20, 35, 45

  4. None of these

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Correct Option: B

The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:
general knowledge math & puzzles

  1. 12

  2. 16

  3. 24

  4. 48

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Correct Option: D

The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
general knowledge math & puzzles

  1. 40

  2. 50

  3. 120

  4. None of these

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Correct Option: D

The difference between the place value and the face value of 6 in the numeral 856973 is

general knowledge math & puzzles

  1. 973

  2. 6973

  3. 5994

  4. None of these

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Correct Option: C

The unit digit in the product (784 x 618 x 917 x 463) is:
general knowledge math & puzzles

  1. 2

  2. 3

  3. 4

  4. 5

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Correct Option: A

Find out the odd one: 6, 9, 15, 21, 24, 28, 30
general knowledge math & puzzles

  1. 28

  2. 21

  3. 24

  4. 30

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Correct Option: A

A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:

general knowledge math & puzzles

  1. 14 km

  2. 15 km

  3. 16 km

  4. 17 km

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Correct Option: C

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:
general knowledge math & puzzles

  1. 81 min

  2. 108 min

  3. 144 min

  4. 192 min

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Correct Option: C

An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
general knowledge math & puzzles

  1. 144º

  2. 150º

  3. 168º

  4. 180º

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Correct Option: D