Problems on Numbers Questions and Answers

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Q51
 Which one of the following is not a prime number?
  • A 31
  • B 61
  • C 71
  • D 91
Answer: Option D
Q52
What least number must be added to 1056, so that the sum is completely divisible by 23 ?
  • A 2
  • B 3
  • C 18
  • D 21
Answer: Option A
Q53
1397 x 1397 = ?
  • A 1951609
  • B 1981709
  • C 18362619
  • D 2031719
Answer: Option A
Q54
How many of the following numbers are divisible by 132 ? 264, 396, 462, 792, 968, 2178, 5184, 6336
  • A 4
  • B 5
  • C 6
  • D 7
Answer: Option A
Q55
(935421 x 625) = ?
  • A 575648125
  • B 584638125
  • C 584649125
  • D 585628125
Answer: Option B
Q56
The largest 4 digit number exactly divisible by 88 is:
  • A 9944
  • B 9768
  • C 9988
  • D 8888
Answer: Option A
Q57
Which of the following is a prime number ?
  • A 33
  • B 81
  • C 93
  • D 97
Answer: Option D
Q58
5358 x 51 = ?
  • A 273258
  • B 273268
  • C 273348
  • D 273358
Answer: Option A
Q59
The sum of first five prime numbers is:
  • A 11
  • B 18
  • C 26
  • D 28
Answer: Option D
Q60
The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?
  • A 240
  • B 270
  • C 295
  • D 360
Answer: Option B

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