Tag: math & puzzles

Questions Related to math & puzzles

How many prime numbers are there between 1 and 100 ?

general knowledge math & puzzles

  1. 28

  2. 24

  3. 25

  4. 27

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Correct Option: C

Which of the following is a composite number: 37, 47, 57, 67?
general knowledge math & puzzles

  1. 37

  2. 57

  3. 67

  4. 47

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Correct Option: B

How many pairs of prime numbers are there to express 18 as the sum of two prime numbers?

general knowledge math & puzzles

  1. 1

  2. 4

  3. 3

  4. 2

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Correct Option: D

How many even primes are there between 1 and 100 ?
general knowledge math & puzzles

  1. 2

  2. 1

  3. 3

  4. 5

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Correct Option: B

What is the next prime number in the following series 41 43 47 …......?

general knowledge math & puzzles

  1. 49

  2. 57

  3. 53

  4. 59

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Correct Option: C

Fill in the blanks 0, 6, 24, 60,120, 210, ____?
general knowledge math & puzzles

  1. 320

  2. 336

  3. 352

  4. 330

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Correct Option: B

who is known as computer of arithmatic?
general knowledge math & puzzles

  1. charles barbage

  2. abdul kalam

  3. shakuntala devi

  4. Brahmagupta

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Correct Option: C

what is the partial derivative of e^(lnx^2) wrt y?

general knowledge math & puzzles

  1. 1/lnx

  2. lnx

  3. 2lnx

  4. 0

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Correct Option: D

what is the total no. of square u can create in a chess board?

general knowledge math & puzzles

  1. 228

  2. 216

  3. 204

  4. 256

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Correct Option: C

In a pot there are some bacteria. And in every half day the volume of bacteria doubles and in 10 days the pot becomes full. Then in how many days the pot will become exactly half?
general knowledge math & puzzles

  1. 4.5

  2. 5

  3. 5.5

  4. 8.5

  5. 9.5

  6. 9

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Correct Option: E