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Quantitative Aptitude

NUMBER SERIES MCQs

Number Theory

Total Questions : 166 | Page 3 of 17 pages
Question 21. Find the odd man out:
2, 5, 10, 17, 26, 37, 50, 64
  1.    50
  2.    26
  3.    37
  4.    64
 Discuss Question
Answer: Option D. -> 64
Answer: (d).64
Question 22. Find the odd man out:
835, 734, 642, 751, 853, 981, 532
  1.    751
  2.    853
  3.    981
  4.    532
 Discuss Question
Answer: Option A. -> 751
Answer: (a).751
Question 23. Find the odd man out:
331, 482, 551, 263, 383, 362, 284
  1.    263
  2.    383
  3.    331
  4.    551
 Discuss Question
Answer: Option B. -> 383
Answer: (b).383
Question 24. Find the odd man out:
10, 14, 16, 18, 21, 24, 26
  1.    26
  2.    24
  3.    21
  4.    18
 Discuss Question
Answer: Option C. -> 21
Answer: (c).21
Question 25. Find the odd man out:
16, 25, 36, 72, 144, 196, 225
  1.    36
  2.    72
  3.    196
  4.    225
 Discuss Question
Answer: Option B. -> 72
Answer: (b).72
Question 26. The sum of two number is 25 and their difference is 13. Find their product.
  1.    104
  2.    114
  3.    315
  4.    325
 Discuss Question
Answer: Option B. -> 114
Answer: (b).114
Question 27. What is the sum of two consecutive even numbers, the difference of whose squares is 84?
  1.    34
  2.    38
  3.    42
  4.    46
 Discuss Question
Answer: Option C. -> 42
Answer: (c).42
Question 28. The cube root of .000216 is:
  1.    .6
  2.    .06
  3.    77
  4.    87
 Discuss Question
Answer: Option B. -> .06
Answer: (b)..06
Question 29. What should come in place of both x in the equation:
x/√128 = √162/x
  1.    12
  2.    14
  3.    144
  4.    196
 Discuss Question
Answer: Option A. -> 12
Answer: (a).12
Question 30. The least perfect square, which is divisible by each of 21, 36 and 66 is:
  1.    213444
  2.    214344
  3.    214434
  4.    231444
 Discuss Question
Answer: Option A. -> 213444
Answer: (a).213444

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