RBI assistant prelims (14 feb) 2020 Questions and Answers Detailed Explanation

Question : 1

Side of a square is equal to the diameter of a circle. What is the perimeter of square, if area of circle is 616 cm²?

a) 116 cm

b) 124 cm

c) 112 cm

d) 120 cm

e) 132 cm

Question : 2

Ram and Shyam started a business with initial investments of Rs. 1000 and Rs. 2000 respectively. After few months Ram left the business. If at the end of the year the ratio of profits of Ram and Shyam is 1 : 4, then find the number of months Ram was in business.

a) 6

b) 2

c) 4

d) 3

e) 8

Question : 3

Ajay spends 20% of his monthly salary on rent. He spends 40% of remaining on other expenses. If his expenditure on the other expenses is Rs. 9600, then find his expenditure on rent.

a) Rs. 12,000

b) Rs. 6,500

c) Rs. 9,000

d) Rs. 6,000

Question : 4

If 25% of the participants in dance and 60% of the participants in music from school B are girls, then what is the number of girl participants in dance and music together from school B?

a) 32

b) 30

c) 36

d) 30

e) 24

Question : 5

What is the difference between the number of participants in dance and theatre together from school A and the number of participants in music from the same school?

a) 8

b) 16

c) 10

d) 6

e) 12

Question : 6

What is the total number of participants in dance, music and theatre from school C, if it is 3/8 more than from school A?

a) 110

b) 125

c) 120

d) 90

e) 105