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 is 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 is 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 is 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 is 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 is 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 is 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 is 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 is 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 is 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 is Option E. -> None of these

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