Quantitative Aptitude Quiz for SBI PO | LIC AAO | IBPS | RBI – Set 93

Directions (1-5): Following pie-chart shows the distribution of mobile users of different companies. Total mobile users are 80 lakh.

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1. How many people are using LG mobile?
a) 12.8 lakhs
b) 13.2 lakhs
c) 14 lakhs
d) 15.6 lakhs
e) None of these

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Ans: a) 12.8 lakhs

LG users = 57.6° = 16%
Total users = (80*16)/100 = 12.8 lakhs

2. What is the difference between the number of Spice mobile users and HTC mobile users?
a) 1.6 lakhs
b) 1.8 lakhs
c) 2.4 lakhs
d) 3.2 lakhs
e) None of these

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Ans: d) 3.2 lakhs

Spice users = 43.2° = 12%
HTC users = 28.8° = 8%
Difference = 12 – 8 = 4%
4% of 80 lakhs = 3.2 lakhs

3. What is the ratio between the number of Nokia mobile users and the number of Samsung mobile users?
a) 6 : 5
b) 5 : 4
c) 4 : 3
d) 3 : 2
e) None of these

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Ans: b) 5 : 4

Nokia users = 108° = 30%
Samsung users = 86.4° = 24%
Ratio =30/24 = 5 : 4

4. Number of Motorola mobile users is what percentage of the number of HTC mobile users?
a) 160%
b) 150%
c) 140%
d) 125%
e) None of these

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Ans: d) 125%

Motorola users = 36° = 10%
HTC users = 28.8° = 8%
% = 10/8*100 = 125%

5. Number of Nokia mobile users is how much percentage more than that of the number of LG mobile users?
a) 255%
b) 62.5%
c) 75%
d) 87.5%
e) None of these

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Ans: d) 87.5%

Nokia users = 108° = 30%
LG users = 57.6° = 16%
% more = (30-16)/16*100 = 175/2=87.5%

6.Thirty men can do a work in 24 days. In how many days can 20 men do the work , given that time spent per day is increased by 1/3 of the previous time.
a) 30
b) 28
c) 36
d) 27
e) none of these

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Ans: d) 27
Let no of days required be x
30 * 24 = 20 * x * (1 + 1/3)
x = 27 days

7. A certain distance is covered at a certain speed.if half of this distance is coveredin double the time, the ratio of the two speed is.
a) 4:1
b) 1:4
c) 1:8
d) 1:6
e) 8:1

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Ans: a) 4:1
Let Distance = D
Time = T
S1 = D/T
S2 = (D/2)/(2T)
S1/52 = D/T/(D/2)(2T)
S1 : S2 = 4 : 1

8. An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest, is?
a) 10:28 am
b) 10:30 am
c) 10:31 am
d) 10:35 am
e) None of these

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Ans: c) 10:31 am

L.C.M. of 60 and 62 seconds is 1860 seconds
1860/60 = 31 minutes
They will beep together at 10:31 a.m.

9. The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is?
a) 48
b) 22
c) 56
d) 27
e) None of these

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Ans: a) 48

Let the numbers be 3x and 4x. Then, their H.C.F. = x. So, x = 4.
So, the numbers 12 and 16.
L.C.M. of 12 and 16 = 48.

10. Find the LCM of?
2/3 , 4/6 , 8/27
a) 2/27
b) 8/3
c) 2/3
d) 8/27
e) None of these

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Ans: b) 8/3