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Quantitative Aptitude

NUMERICAL ABILITY COMBINED MCQs

Total Questions : 450 | Page 1 of 45 pages
Question 1. Directions(1-5): What will come in place of the question mark (?) in the following questions ?
(3325 ÷ 25) * (152 ÷ 16) = ?
  1.    1269.4
  2.    1264.9
  3.    1265.3
  4.    1263.5
  5.    None of these
 Discuss Question
Answer: Option D. -> 1263.5


? = (3325/25) * (152/16)

= 133 * 9.5

= 1263.5


Question 2. 15.8 * 3 + 8.1 - 21.5 = ? + 14.6
  1.    14.9
  2.    20.1
  3.    18.4
  4.    19.4
  5.    None of these
 Discuss Question
Answer: Option D. -> 19.4


15.8 * 3 + 8.1 - 21.5 = ? + 14.6

=> 47.4 + 8.1 - 21.5 = ? + 14.6

=> 34 = ? + 14.6

=> ? = 34 - 14.6 = 19.4


Question 3. 896 - (?)3 = 4608 ÷ 12
  1.    2
  2.    23
  3.    82
  4.    42
  5.    24
 Discuss Question
Answer: Option B. -> 23


896 - (?)3 = 4608 ÷ 12
=> 896 - (?)3 = 384
=>(?)3 = 896 - 384 = 512
=> (?)3 = (8)3 => ? = 8 = 23


Question 4. 273 ÷ 3 - 9.1 = ?
  1.    81.9
  2.    62.3
  3.    84.9
  4.    91.8
  5.    None of  these
 Discuss Question
Answer: Option A. -> 81.9


? =  273/3 - 9.1 = 91 - 9.1

= 81.9


Question 5. √3969 ÷ 1.4 = ? * 2.5
  1.    18
  2.    112.5
  3.    16
  4.    24
  5.    None of these
 Discuss Question
Answer: Option D. -> 24


√3969 ÷ 1.4 = ? * 2.5=> 63 * 1/1.4  = ? * 2.5=> ? = 63/(1.4 * 2.5) = 18


Question 6. Rs. 58750 amounts to Rs. 79900 in four years at simple interest. What is the rate of interest paid?
  1.    14
  2.    13
  3.    12
  4.    16
  5.    9
 Discuss Question
Answer: Option E. -> 9


S. I. = 79900-58750

= Rs. 21150

Rate = (S.I * 100)/(Principal * Time)

= (21150 * 100)/(58750 * 4)

= 9% per annum


Question 7. How much will a sum of Rs. 120007 deposited at a rate of 9% per annum (simple interest) for 13 years amount to?
  1.    Rs. 14040
  2.    Rs. 20650
  3.    Rs. 13404
  4.    Rs. 27800
  5.    Rs. 26040
 Discuss Question
Answer: Option E. -> Rs. 26040


S.I. = (12000 * 9 * 13)/100

= Rs.14040

Amount = 12000+14040

= Rs. 26040


Question 8. The product of three consecutive odd numbers is 24273. Which is the smallest number?
  1.    25
  2.    29
  3.    23
  4.    37
  5.    27
 Discuss Question
Answer: Option E. -> 27


27 * 29 * 31 = 24273


Question 9. What will be the average of the following set of scores ?
78, 69, 54, 21, 94, 48, 77
  1.    63
  2.    66
  3.    67
  4.    64
  5.    None of these
 Discuss Question
Answer: Option A. -> 63


Required average = (78+69+54+21+94+48+77)/7

= 441/7 = 63


Question 10. The sum of three consecutive integers is 5685. Which of the the following is the correct set of these numbers ?
  1.    1893, 1894, 1895
  2.    1895, 1896, 1897
  3.    1899, 1900, 1901
  4.    1897, 1898, 1899
  5.    None of these
 Discuss Question
Answer: Option E. -> None of these


Smallest number = (5685 - 3)/3 = 1894


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