# Quantitative Aptitude: Data Interpretation Questions for RRB Clerk – Set 74

Directions (1-5): Study the following table to answer the questions given below it. Table shows the percentage of appeared and qualified candidates in a competitive examination from different institutes. 1. What is the ratio of the qualified candidates from institutes A, B and C together to the appeared candidates from institutes D, E and F?
A) 250:829
B) 260:987
C) 129:652
D) 221:458
E) None
Option B
Solution:

(16+18+18) 52% of 10000 : (10+12+25) 47% of 42000
52 * 100 :47 * 420
260:987
2. What per cent of the candidates from institute ‘E’ has been declared qualified out of the total candidates appeared from this institute? (approximately)
A) 36
B) 40
C) 39
D) 38
E) None
Option C
Solution:

12% of 42000 100
20% of 10000 ?
==> 126 100
50 ?
5000/126=39 (approx.)
3. What is the approximate percentage of students qualified with respect to those appeared from the institutes B and C together?
A) 23
B) 22
C) 20
D) 21
E) None
Option A
Solution:

38% (20+18) of 42000 100
36% (18+18) of 10000 ?
133 100
30 ?==> 3000/133=23
4. Which institute has the highest percentage of candidates qualified with respect to those appeared?
A) F
B) D
C) E
D) A
E) None
Option C
Solution:

A: 15% of 42000 100
16% of 10000 ? == 25.3%
B: 20% of 42000 100
18% of 10000 ? ==21.4%
C: 18% of 42000 100
18% of 10000 ? ==23.8%
D: 10% of 42000 100
12% of 10000 ? ==28.5%
E: 12% of 42000 100
20% of 10000 ? ==39.6%
F: 25% of 42000 100
16% of 10000 ? ==15.2%
5. What is the average number of appeared candidates from the institutes A, B and F together?
A) 7820
B) 7600
C) 8325
D) 8400
E) None
Option D
Solution:

[(15+20+25)% of 42000]/3
(60% of 42000) /3
25200/3=8400

Directions (6 – 10): Study the following table carefully to answer the questions that follow: 1. What is the total marks obtained by A in all the subjects?
A) 448
B) 580
C) 470
D) 360
E) None
Option A
Solution:

100% of 60 + 80% of 40 +50% of 130 + 90% of 150 + 90% of 120 + 60% of 80
60+32+65+135+108+48=448
2. What is the average marks obtained by these seven students in history ? (rounded off)
A) 28.25
B) 32
C) 29.14
D) 26
E) None
Option C
Solution:

80+70+70+60+90+60+80=510
Total % ge 700
Then (510/700)*40
(51/7)*4=29.14
3. How many students have got 60% or more marks in all the subjects?
A) 1
B) 2
C) 3
D) Cannot be determined
E) None
Option B
Solution:

2. (In His and Maths)
4. What is the overall Percentage of C?
A) 75
B) 64
C) 80
D) 68
E) None
Option A
Solution:

C’s Percentage
90% of 60+70%of 40+60%of 130+90%of 150+70%of 120+70%of 80
=54+28+78+135+84+56=435.
Max mark= 580
(435/580 )*100=75.
5. In which subject is the overall percentage the best?
A) History
B) Social
C) Maths
D) Science
E) None
Option C
Solution:

Eng =[500(Total%ge) /580(Max mark)]*100 =86.2
His =(510/580)*100=87.9
Comp=(416/580)*100=71.7
Maths=(570/580)*100=98.2
Science=(510/580)*100=87.9
Social=(495/580)*100=85.3
The overall %ge of Maths subject is the best.

## 3 Thoughts to “Quantitative Aptitude: Data Interpretation Questions for RRB Clerk – Set 74”

1. Navya velpuri

Dear sir/mam,
For 5th question the answer should be 8400(25200/3 = 84000)

1. Premashanthi

S it is 8400.

2. AmRITa @ bank po

someone explain q.no8 plz