MODEL SOLVED PAPER RBI GRADE ‘B’ OFFICER’S EXAM Held on : 2008 (Part-III)

Total Questions: 50

11. Study the following Graph carefully and answer the questions given below :

The number of students taking Arts in college B, is how many thousand fewer than the number of students taking Arts in college A and college C together ?

 

Correct Answer: (1) 12.5
Solution:

Number of students taking Arts in College B = 50 thousand

Number of students taking Arts in Colleges A and C

= 22.5 + 40 = 62.5 thousand

∴ Required difference

= (62.5 - 50) thousand

= 12.5 thousand

12. Study the following Graph carefully and answer the questions given below :

In college F, the students taking Commerce is what percent of the total number of students taking Arts, Science and Commerce in all ?

Correct Answer: (5) 25
Solution:In College F, number of students taking Arts, Science
and Commerce
= (40+50+30) thousand
= 120 thousand
∴ Required percentage

= 30/120 × 100 = 25

13. Study the following Graph carefully and answer the questions given below :

How many candidates (in thousands) have taken Commerce from all the colleges ?

Correct Answer: (3) 185
Solution:Number of students taking Commerce in all colleges = (40 + 25 + 17.5 + 35 + 37.5 + 30) thousand = 185 thousand

14. Study the following Graph carefully and answer the questions given below :

What is the respective ratio of the number of the students taking Science to the number of students taking Arts in college D ?

Correct Answer: (4) 19 : 14
Solution:Required ratio
= 47.5 : 35 = 475 : 350 = 19 : 14

15. Study the following Graph carefully and answer the questions given below :

What is the average number of students (in thousands) taking up Science from all the six colleges together ? (Rounded off to two digits after decimal)

Correct Answer: (2) 43.33

16. Study the following table carefully and answer the questions given below :

The total number of candidates applying for various posts in Company E are what per cent of the total number of candidates applying for various posts in Company A? (Rounded off to two digits after decimal)

Correct Answer: (2) 79.95
Solution:Total number of candidates applying for various posts :

Company A → 1060 + 950
+1000

830 = 3840
Company E → 720 + 825 +
760 + 765 = 3070
Required percentage

3070/3840 × 100 = 79.95

17. Study the following table carefully and answer the questions given below :

The number of candidates applying for Post III in Company E are approximately what per cent of the total number of candidates applying for the various posts in the same Company?

Correct Answer: (2) 30

18. Study the following table carefully and answer the questions given below :

What is the difference between the average number of candidates applying for Post II and the average number of candidates applying for Post IV across various Companies?

Correct Answer: (4) 87
Solution:Average number of candidates applying for for post II
across various companies
(950 + 1005 + 920 + 950 + 825)/5

Average number of candidates applying for post IV
(830 + 740 + 920 + 960 + 765)/5

= 4215 = 843

∴ Required difference
= 930 - 843 = 87

19. Study the following table carefully and answer the questions given below :

What is the respective ratio of the total number of candidates applying for various posts in Company A to the total number of candidates applying for various posts in Company C?

Correct Answer: (3) 32 : 31
Solution:Total number of candidates applying in company
A = 3840
Total number of candidates applying in company
C = 965 + 920 + 915 + 920
= 3720
Required ratio = 3840 :
3720 = 32 : 31

20. Study the following table carefully and answer the questions given below :

What is the approximate average number of candidates applying for Post III in various companies ?

Correct Answer: (5) 899
Solution:Required average
= (1000 + 820 + 915 + 1002 + 760)/5
= 4497 = 899.4 = 899