Aptitude Quiz - Ratio and Proportion 2

Bankers Adda is also known to be called as Aptitude Quiz adda.
Today Bankers Adda came back with a New Quiz on Aptitude
Go through the quiz and if you have any doubts please contact bankers adda in the comment section.

1. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

A. 8 : 9
B. 17 : 18
C. 21 : 22
D. Cannot be determined






2. The fourth proportional to 5, 8, 15 is:

A. 18
B. 24
C. 19
D. 20




3. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?

A. Rs. 17,000
B. Rs. 20,000
C. Rs. 25,500
D. Rs. 38,000




4. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

A. 27
B. 33
C. 49
D. 55




5. If 0.75 : x :: 5 : 8, then x is equal to:

A. 1.12
B. 1.2
C. 1.25
D. 1.30



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