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Quantitative Aptitude

NUMBER SERIES MCQs

Number Theory

Total Questions : 166 | Page 15 of 17 pages
Question 141. The difference of the squares of two consecutive odd integers is divisible by which of the following integers ?
  1.    3
  2.    6
  3.    7
  4.    8
 Discuss Question
Answer: Option D. -> 8
Answer: (d).8
Question 142. On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will the remainder ?
  1.    0
  2.    1
  3.    2
  4.    3
 Discuss Question
Answer: Option B. -> 1
Answer: (b).1
Question 143. What is the unit digit in the product (3^65 x 6^59 x 7^71)?
  1.    1
  2.    2
  3.    4
  4.    6
 Discuss Question
Answer: Option C. -> 4
Answer: (c).4
Question 144. 217 x 217 + 183 x 183 = ?
  1.    79698
  2.    80578
  3.    80698
  4.    81268
 Discuss Question
Answer: Option B. -> 80578
Answer: (b).80578
Question 145. 7589 - ? = 3434
  1.    4242
  2.    4155
  3.    1123
  4.    11023
 Discuss Question
Answer: Option B. -> 4155
Answer: (b).4155
Question 146. 3251 + 587 + 369 - ? = 3007
  1.    1250
  2.    1300
  3.    1375
  4.    1200
 Discuss Question
Answer: Option D. -> 1200
Answer: (d).1200
Question 147. Find the odd man out:
41, 43, 47, 53, 61, 71, 73, 81
  1.    61
  2.    71
  3.    73
  4.    81
 Discuss Question
Answer: Option D. -> 81
Answer: (d).81
Question 148. Find the odd man out:
3, 5, 7, 12, 17, 19
  1.    19
  2.    17
  3.    5
  4.    12
 Discuss Question
Answer: Option D. -> 12
Answer: (d).12
Question 149. Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:
  1.    9
  2.    11
  3.    13
  4.    15
 Discuss Question
Answer: Option D. -> 15
Answer: (d).15
Question 150. The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?
  1.    3
  2.    4
  3.    9
  4.    Cannot be determined
 Discuss Question
Answer: Option B. -> 4
Answer: (b).4

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