Numbers Questions and Answers

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Q121
If a and b are odd numbers, then which of the following is even ?
  • A a + b
  • B a + b + 1
  • C ab
  • D ab + 2
Answer: Option A
Q122
 Which one of the following numbers is completely divisible by 99?
  • A 3572404
  • B 135792
  • C 913464
  • D 114345
Answer: Option D
Q123
The sum of how may tersm of the series 6 + 12 + 18 + 24 + ... is 1800 ?
  • A 16
  • B 24
  • C 20
  • D 18
Answer: Option B
Q124
(51+ 52 + 53 + ... + 100) = ?
  • A 2525
  • B 2975
  • C 3225
  • D 3775
Answer: Option D
Q125
1904 x 1904 = ?
  • A 3654316
  • B 3632646
  • C 3625216
  • D 3623436
Answer: Option C
Q126
Which one of the following is a prime number ?
  • A 161
  • B 221
  • C 373
  • D 437
Answer: Option C
Q127
The smallest 6 digit number exactly divisible by 111 is:
  • A 111111
  • B 110011
  • C 100011
  • D 110101
Answer: Option C
Q128
768 x 768 x 768 + 232 x 232 x 232/ 768 x 768 - 768 x 232 + 232 x 232 = ?
  • A 1000
  • B 536
  • C 500
  • D 268
Answer: Option A
Q129
The smallest 5 digit number exactly divisible by 41 is:
  • A 1004
  • B 10004
  • C 10045
  • D 10025
Answer: Option B
Q130
How many terms are there in the G.P. 3, 6, 12, 24, ... , 384 ?
  • A 8
  • B 9
  • C 10
  • D 11
Answer: Option A

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