Directions (1-5): What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value)
Q1. 31.85 ÷ 3.96 × 15 = ?
120
90
80
140
160
Q2. 4.99 × 12.965 + 599 = ?
620
654
664
674
684
Q3. 21+ 63 ÷ 17 = ?
35
40
10
25
15
Q4. 1584 ÷ 24.89% of 352.02 = ?
24
18
12
28
8
Q5. 5823.89 ÷ 364 × √224.99 = ?
250
240
230
235
255
Q6. A speaks truth in 75% cases and B in 80% cases. In what percentage of cases they are likely to contradict each other when narrating the same incident?
35
30
25
20
15
Q7. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
30%
70%
100%
250%
85%
Q8. Two men, Mr. X and Mr. Y, can complete a work in 16 days and 24 days respectively. They started working together and after working 3 days Mr. X increases his efficiency by 100% while Mr. Y decreases his efficiency by 25%. In how many days the work will be completed?
7 days
7.4 days
4.4 days
8.4 days
6.4 days
Q9. Train-A can cross a stationary train B in 36 seconds. The same train A can cross a tunnel of length 560 m in 48 seconds. If speed of train-A is 72 km/hr then what is the length of stationary train-B?
220 m
420 m
320 m
can’t be determined
400 m
Q10. In a circle, a triangle having maximum area is drawn. If radius of circle is 10 cm then what is the area of triangle?
75 cm²
150 cm²
150√3 cm²
75√3 cm²
125√3 cm²
SOLUTIONS
1.A
2.C
3.D
4.B
5.B
6.A
7.B
8.B
9.C
10.D
Q1. 31.85 ÷ 3.96 × 15 = ?
120
90
80
140
160
Q2. 4.99 × 12.965 + 599 = ?
620
654
664
674
684
Q3. 21+ 63 ÷ 17 = ?
35
40
10
25
15
Q4. 1584 ÷ 24.89% of 352.02 = ?
24
18
12
28
8
Q5. 5823.89 ÷ 364 × √224.99 = ?
250
240
230
235
255
Q6. A speaks truth in 75% cases and B in 80% cases. In what percentage of cases they are likely to contradict each other when narrating the same incident?
35
30
25
20
15
Q7. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
30%
70%
100%
250%
85%
Q8. Two men, Mr. X and Mr. Y, can complete a work in 16 days and 24 days respectively. They started working together and after working 3 days Mr. X increases his efficiency by 100% while Mr. Y decreases his efficiency by 25%. In how many days the work will be completed?
7 days
7.4 days
4.4 days
8.4 days
6.4 days
Q9. Train-A can cross a stationary train B in 36 seconds. The same train A can cross a tunnel of length 560 m in 48 seconds. If speed of train-A is 72 km/hr then what is the length of stationary train-B?
220 m
420 m
320 m
can’t be determined
400 m
Q10. In a circle, a triangle having maximum area is drawn. If radius of circle is 10 cm then what is the area of triangle?
75 cm²
150 cm²
150√3 cm²
75√3 cm²
125√3 cm²
SOLUTIONS
1.A
2.C
3.D
4.B
5.B
6.A
7.B
8.B
9.C
10.D
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