Friday, September 29, 2023

Ratio and Proportion

Ratio and Proportion MCQs

1. If a : b = 2 : 5, then the value of (2a+3b) : (7a+5b) is:

A. 19/39
B. 99/13
C. 31/19
D. 19/31

2. Ratio between two quantities is 7 : 9, If the first quantity is 511 kg, the other quantity is?
(A) 541 kg

(B) 657 kg

(C) 765 kg

(D) 677 kg

3. It takes 10 peoples 16 hours to complete a certain job. How many hours would it takes 8 peoples, working at the same rate, to complete the job?
A. 12
B. 20
C. 15  
D. 16

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