Numerical Ability Combined(Quantitative Aptitude ) Questions and answers for exam Preparation

Quantitative Aptitude

NUMERICAL ABILITY COMBINED MCQs

Total Questions : 450 | Page 38 of 45 pages

Question 371. Directions(11-15): What will come in place of the question mark (?) in the following questions?

√625 - √529 = √?

√2
4
2
16
None of these

Discuss Question

Answer: Option B. -> 4

25 - 23 = √?

=> ? = 2² = 4

Question 372. 58 + 621 / 23 - 45 = ?

50
60
40
30
None of these

Discuss Question

Answer: Option C. -> 40

? = 58 + 621/23 - 45

? = 58 + 27 - 45 = 40

Question 373. (0.04)2 / (0.008) * (0.2)6 = (0.2)?

6
5
8
9
None of these

Discuss Question

Answer: Option E. -> None of these

(0.2²)² / (0.2)³ * (0.2)⁶ = (0.2)^?
=>(0.2)⁴⁺⁶⁺³ = 0.2^?
=>(0.2)⁷ = (0.2)^?
=> ? = 7

Question 374. 92 * 7 / 8 - 63.80 = ?

16.6
18.7
17.7
16.7
None of these

Discuss Question

Answer: Option D. -> 16.7

? = (92*7)/8 - 63.80

? = 80.5 - 63.8 = 16.7

Question 375. 36% of 220 - 12% of 140 = ?

62.4
63.4
64.2
66.4
None of these

Discuss Question

Answer: Option A. -> 62.4

? = ((220*36)/100) - ((140*2)/100)

? = 79.20 - 16.80 = 62.4

Question 376. One of the angles of a parallelogram is 42 degrees. What is the sum of half the smallest angle and twice the largest angle of the parallelogram ?

256 degrees
307 degrees
297 degrees
Cannot be determined
None of these

Discuss Question

Answer: Option C. -> 297 degrees

Require sum =( 2 * 138 + 42/2)

= 279 degrees

Question 377. In an examination it is required to get 45% marks to pass. Jaswinder secured 612 marks and failed by 108 marks. What are the maximum marks of the examination ?

1800
1600
1700
1500
None of these

Discuss Question

Answer: Option B. -> 1600

Maximum marks * 45/100

= 612 + 108 = 720

Maximum marks = 720*100/45 = 1600

Question 378. if two men or six women or four boys can finish a work in 99 days, then how many days will one man, one woman and one boy together take to finish the same work ?

54 days
64 days
44 days
104 days
None of these

Discuss Question

Answer: Option E. -> None of these

2 men = 6 women = 4 boys

1 men = 3 women = 2 boys

i men + 1 women + 1 boy = (2 + 2/3 + 1) boys = 11/3 boys

M₁D₁ = M₂D₂

=> 4 * 99 = 11/3 * D₂
=>D₂ = 4 * 3 * 99 / 11 = 108 days

Question 379. The breadth of a rectangle is half of its length. Also, the length of the rectangle is equal to the radius of a circle of area 154 sq. cms. What is the perimeter of rectangle ?