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Quantitative Aptitude

BASIC MATHS MCQs

Total Questions : 233 | Page 1 of 24 pages
Question 1. 85% of a number is added to 24, the result is the same number. Find the number?
  1.    150
  2.    140
  3.    130
  4.    160
 Discuss Question
Answer: Option D. -> 160
(85/100) * X + 24 = X
3X = 480
X = 160
Question 2. 40 is subtracted from 60% of a number, the result is 50. Find the number?
  1.    150
  2.    140
  3.    130
  4.    110
 Discuss Question
Answer: Option A. -> 150
(60/100) * X – 40 = 50
6X = 900
X = 150
Question 3. 60% of a number is added to 120, the result is the same number. Find the number?
  1.    300
  2.    200
  3.    400
  4.    500
 Discuss Question
Answer: Option A. -> 300
(60/100) * X + 120 = X
2X = 600
X = 300
Question 4. 25% of 30% of 45% is equal to__________?
  1.    0.03375
  2.    0.3375
  3.    3.375
  4.    33.75
 Discuss Question
Answer: Option A. -> 0.03375
(25/100) * (30/100) * (45/100)
1/4 * 3/10 * 9/20
27/800 = 0.03375
Question 5. 40% of a number is more than 20% of 650 by 190. Find the number?
  1.    600
  2.    700
  3.    800
  4.    900
 Discuss Question
Answer: Option C. -> 800
(40/100) * X – (20/100) * 650 = 190
2/5 X = 320
X = 800
Question 6. How much is 80% of 40 is greater than 4/5 of 25?
  1.    4
  2.    6
  3.    9
  4.    12
 Discuss Question
Answer: Option D. -> 12
(80/100) * 40 – (4/5) * 25
32 – 20 = 12
Question 7. How much 60% of 50 is greater than 40% of 30?
  1.    18
  2.    13
  3.    15
  4.    20
 Discuss Question
Answer: Option A. -> 18
(60/100) * 50 – (40/100) * 30
30 – 12 = 18
Question 8. After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?
  1.    1400
  2.    1300
  3.    1200
  4.    1100
 Discuss Question
Answer: Option C. -> 1200
CP* (76/100) = 912
CP= 12 * 100 => CP = 1200
Question 9. If y exceeds x by 20%, then x is less than y by_______?
  1.    16%
  2.    16 1/3 %
  3.    16 2/3 %
  4.    16 3/5 %
 Discuss Question
Answer: Option C. -> 16 2/3 %
X=100 Y=120
120——20
100——-? => 16 2/3%
Question 10. What percent of 120 are 90?
  1.    25%
  2.    50%
  3.    75%
  4.    33%
 Discuss Question
Answer: Option C. -> 75%
(?% /100) * 120 = 90
? = 75%

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