RBI OFFICER GRADE 'B' PHASE-I EXAM Held on : 04.09.2016 (Shift-I)(Part-III)

Total Questions: 50

31. Refer to the pie charts and answer the given questions.

Correct Answer: (1) 910

Solution: Male students from country C

= 280 Male students from country D Male students from country E Required average

32. Refer to the pie charts and answer the given questions.

The total number of female students from country A and B together is what percent of male students from country A?

Correct Answer: (2) 59.5

Solution: Male students from country A

Female students from countries A and B

33. Refer to the pie charts and answer the given questions.

Correct Answer: (2) 50

Solution:Required percent

34. Refer to the pie charts and answer the given questions.

Data regarding number of foreign students (males + females) from different countries- A, B, C, D and E, taking in higher level education in the country XYZ in the year 2014.
Total number of foreign students (males + females) = 9000

Foreign Female Students = 3500

Male students from country E in the year 2015 were 20% more than those from the same country in the previous year. If the male students from country E constituted 60% of the students (males + females), in the year 2015, how many foreign students from country E in the same year were females?

Correct Answer: (3) 1280

Solution:Male students from country E in 2014

= 1600 ∴ Male students from country E in 2015 ∴ Total students from country E in 2015

35. Abhay rolled a pair of dice together. What is the probability that one dice showed a multiple of 2 and the second dice showed neither a multiple of 3 nor 2?

Correct Answer: (1) 1/3

Solution:Two dice are rolled.

∴ Total possible outcomes

= 6 \times 6 = 36

Numbers on first dice

∴ 2, 4 and 6

Numbers on second dice

∴ 1, 5

Favourable outcomes

= (2, 1), (1, 2), (4, 1), (1, 4), (6,

1), (1, 6), (2, 5), (5, 2), (4, 5), (5,

4), (6, 5), (5, 6)

= 12

∴ Required probability = 12 = 1/ 3

36. Study the table and answer the given questions.

Table depicting Literacy in 5 Village in 2011 :

Villages	% of literates in total population (males + females)	% of literates in Male population	% of literates in female population
A	--	72	70
B	61	64	56
C	73.8	75	72
D	60	--	60
E	70	--	70

Note: Few data are missing (indicated by --). You need to calculate the value based on given data, if required, to answer the given questions.

Only 40% and 20% of literate females were graduates in villages A and C respectively. If female population of villages A and C were equal, what was the respective ratio of number of non-graduate females (including illiterate females) in villages A and C?

Correct Answer: (2) 90 : 107

Solution:Female population in village A

= x (let).

∴ Female population in village

C = x

Illiterate females in village A

Non-graduate females

37. Study the table and answer the given questions.

Table depicting Literacy in 5 Village in 2011 :

Villages	% of literates in total population (males + females)	% of literates in Male population	% of literates in female population
A	--	72	70
B	61	64	56
C	73.8	75	72
D	60	--	60
E	70	--	70

Note: Few data are missing (indicated by --). You need to calculate the value based on given data, if required, to answer the given questions.

If in village E, 40% of male literates and 40% of female literates were graduates, what percent of total population were graduates?

Correct Answer: (2) 28

Solution:Male population in village
E

= x

Female population

= y

∴ Male graduates in village E

38. Study the table and answer the given questions.

Table depicting Literacy in 5 Village in 2011 :

Villages	% of literates in total population (males + females)	% of literates in Male population	% of literates in female population
A	--	72	70
B	61	64	56
C	73.8	75	72
D	60	--	60
E	70	--	70

Note: Few data are missing (indicated by --). You need to calculate the value based on given data, if required, to answer the given questions.

In village B, the number of females was what percent less than the number of males ?

Correct Answer: (4) 40

Solution:Males in village B

= x

Females

= y

∴ 61 (x + y) = 64 x + 56 y

⟹ 61 x + 61 y = 64 x + 56 y

⟹ 64 x - 61 x = 61 y - 56 y

⟹ 3 x = 5 y ⟹ x/ y = 5/3 ∴ Required percent

39. Study the table and answer the given questions.

Table depicting Literacy in 5 Village in 2011 :

Villages	% of literates in total population (males + females)	% of literates in Male population	% of literates in female population
A	--	72	70
B	61	64	56
C	73.8	75	72
D	60	--	60
E	70	--	70

Note: Few data are missing (indicated by --). You need to calculate the value based on given data, if required, to answer the given questions.

The total number of literates (Males and Females) in village D was 4320. If the number of illiterate females was 320 more than the number of illiterate males, what was the male population of the village ?

Correct Answer: (1) 3200

Solution:Total population of village

40. Study the table and answer the given questions.

Table depicting Literacy in 5 Village in 2011 :

Villages	% of literates in total population (males + females)	% of literates in Male population	% of literates in female population
A	--	72	70
B	61	64	56
C	73.8	75	72
D	60	--	60
E	70	--	70

Note: Few data are missing (indicated by --). You need to calculate the value based on given data, if required, to answer the given questions.

In village C, the number of females increased by 20% from 2011 to 2015. If the number of literate females was equal in 2011 and 2015, what percent of female population of village C was literate in 2015?

Correct Answer: (3) 60

Solution:Females in village C in 2011