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Quantitative Aptitude

NUMBER SERIES MCQs

Number Theory

Total Questions : 166 | Page 10 of 17 pages
Question 91. 5358 x 51 = ?
  1.    273258
  2.    273268
  3.    273348
  4.    273358
 Discuss Question
Answer: Option A. -> 273258
Answer: (a).273258
Question 92. The sum of first five prime numbers is:
  1.    11
  2.    18
  3.    26
  4.    28
 Discuss Question
Answer: Option D. -> 28
Answer: (d).28
Question 93. (12)^3 x 6^4 ÷ 432 = ?
  1.    5184
  2.    5060
  3.    5148
  4.    5084
 Discuss Question
Answer: Option A. -> 5184
Answer: (a).5184
Question 94. 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 ?
  1.    240
  2.    270
  3.    295
  4.    360
 Discuss Question
Answer: Option B. -> 270
Answer: (b).270
Question 95. 72519 x 9999 = ?
  1.    725117481
  2.    674217481
  3.    685126481
  4.    696217481
 Discuss Question
Answer: Option A. -> 725117481
Answer: (a).725117481
Question 96. In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
  1.    24
  2.    26
  3.    42
  4.    46
 Discuss Question
Answer: Option A. -> 24
Answer: (a).24
Question 97. The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:
  1.    380
  2.    395
  3.    400
  4.    425
 Discuss Question
Answer: Option C. -> 400
Answer: (c).400
Question 98. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
  1.    20
  2.    23
  3.    169
  4.    None of these
 Discuss Question
Answer: Option B. -> 23
Answer: (b).23
Question 99. A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:
  1.    145
  2.    253
  3.    370
  4.    352
 Discuss Question
Answer: Option B. -> 253
Answer: (b).253
Question 100. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.
  1.    3
  2.    10
  3.    17
  4.    20
 Discuss Question
Answer: Option A. -> 3
Answer: (a).3

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