Quantitative Aptitude Quiz for UPSI: 26 March 2021

Updated Fri, 26 Mar 2021 06:40 PM IST

1. Express a speed of 36 kmph in meters per second?

a) 5 m/s
b) 10 m/s
c) 15 m/s 
d) 20 m/s

Explanation:

36 * 5/18 = 10 m/s

2. Express 25 m/s in kmph?

a) 96 kmph
b) 108 kmph
c) 72 kmph
d) 90 kmph

Explanation:

25 * 18/5 = 90 kmph

3. The speed of a train is 90 kmph. What is the distance covered by it in 10 minutes?

a) 15 kmph
b) 12 kmph
c) 10 kmph
d)  5 kmph
 

Explanation:

90 * 10/60 = 15 kmph

4. A car covers a distance of 624 km in 6 ½ hours. Find its speed?

a) 104 kmph
b) 140 kmph
c) 104 mph
d) 10.4 kmph
 

Explanation:

624/6 = 104 kmph

5. In what time will a railway train 60 m long moving at the rate of 36 kmph pass a telegraph post on its way?

a) 8 sec
b) 6 sec
c) 10 sec
d) 12 sec

Explanation:

T = 60/36 * 18/5 = 6 sec

6. 6. A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is?

a)  90 kmph
b)  108 kmph
c)  72 kmph
d)  54 kmph

Explanation:

S = 240/16 * 18/5 = 54 kmph

7. The speed of a car is 90 km in the first hour and 60 km in the second hour.

Source: safalta.com

What is the average speed of the car?

a) 50 kmph
b) 90 kmph
c) 60 kmph
d) 75 kmph

Explanation:

S = (90 + 60)/2 = 75 kmph

8. Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?

a) 36 min
b) 16 min
c) 24 min
d) 20 min

Explanation:

Speed Ratio = 1:4/5 = 5:4
Time Ratio = 4:5
1 -------- 5
4 --------- 20

9. If a man walks to his office at ¾ of his usual rate, he reaches office 1/3 of an hour late than usual. What is his usual time to reach office?

a) 1/2 hour
b) 3/2 hour
c) 2 hour
d) 1 hour
Explanation:

Speed Ratio = 1:3/4 = 4:3
Time Ratio = 3:4
1 -------- 1/3

3 --------- 1 hour

10.

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Walking 7/6 of his usual rate, a boy reaches his school 4 min early. Find his usual time to reach the school?

a) 28 m
b) 21 m
c) 14 m
d) 35 m
Speed Ratio = 1:7/6 = 6:7
Time Ratio = 7:6
1 -------- 7
4 ---------  28 m

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