RBI OFFICER GRADE ‘B’ PHASE-I EXAM Held on:18.08.2018 (Part-III)

Total Questions: 50

21. Study the following graph and answer the given questions.

If the organisers extended the festival for one more Day and the number of people who did shopping on Day 5 was 30% more than those who did shopping on Day 3, what is the difference between the number of people who did shopping on Day 5 and that on Day 2?

Correct Answer: (1) 1760
Solution:

Number of people who did shopping on day-5

22. Study the following table carefully and answer the questions.

From the question (22-26)
Data regarding number of users of a social media platform in 2011 in cities A, B, C and D is given. The percentage increase in the number of users from 2012-14 is also given.

CityNumber of users in 2011 (in thousands)Increase in the number of users (As compared to previous year)
201220132014
A60015%20%25%
B40010%25%20%
C30012%25%10%
D40020%20%15%

What is the percentage increase in the number of users in city A from 2011 to 2014?

Correct Answer: (5) 72.5
Solution:

Single equivalent per cent for and

23. Study the above table carefully and answer the question.

If the total number of users in all cities together is 3645000 in 2015, what is the total growth per cent from 2014 to 2015 across all cities together?

Correct Answer: (5) 25
Solution:Number of users in the year 2014:
City-A

thousand City-B

thousand City-C

thousand thousand Total users

24. Study the above table carefully and answer the question.

What is the respective ratio of the number of users in city A in 2012 and that in city D in 2014?

Correct Answer: (2) 10 : 11
Solution:

Required ratio

25. Study the above table carefully and answer the question.

 In 2016, the number of users in city B grew by 25% as compared to 2014 and that in city C grew by 50% as compared to 2014. What is the difference between the number of users in city B and that in city C in 2016? (in thousands)
Correct Answer: (1) 132
Solution:

Number of users in 2016 :
City-B

City-C

26. Study the above table carefully and answer the question.

What is the difference between the total number of users in city B and city D taken together for the years 2012 and 2013 respectively and the total number of users in city A and city C taken together in years 2013 and 2012 respectively? (in thousands)

Correct Answer: (1) 64
Solution:

Number of users in city-B in the year 2012

Number of users in city-D in the year 2013

Number of users in city-A in the year 2013

Number of users in city-C in the year 2012

Required difference
= (828 + 336 - 440 - 660) thousand = 64 thousand

27. In each of these questions, a number series is given in which one number is wrong. Find out the wrong number.

10 4.5 3.5 5 16 122 1904

Correct Answer: (1) 122
Solution:The pattern is :

28. In each of these questions, a number series is given in which one number is wrong. Find out the wrong number.

800 678 579 498 434 385 349

Correct Answer: (4) 678
Solution:The pattern is :

29. In each of these questions, a number series is given in which one number is wrong. Find out the wrong number.

5 7 11 19 35 68 131

Correct Answer: (3) 68
Solution:The pattern is :

30. In each of these questions, a number series is given in which one number is wrong. Find out the wrong number.

1 12 120 960 5780 23040 46080

Correct Answer: (4) 5780
Solution:The pattern is :