Assessment Exam Numerical Ability Ratio and Proportion

If a:b=3:4 and b:c=2:7, then what is the value of a:b:c?
A) 3:4:14 B) 3:4:7 C) 6:4:7 D) 6:8:12

Read Solution (Total 1)

A) 3 : 4 : 14

a:b= 3 : 4 = 3/4 : 1 and b:c= 2 : 7 = 1 : 7/2
So a:b:c = 3/4 : 1 : 7/2 = 3 : 4 : 14
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Assessment Other Question

The prices of a refrigerator and a cell phone are in the ratio 3:2. If the refrigerator costs Rs. 6000 more than the cell phone, what is the price of the cell phone?
A) Rs. 1200 B) Rs. 12000 C) Rs. 8000 D) Rs. 9000 A shopkeeper offered a discount of 15% on the labeled price. By selling an article for Rs. 340, after giving discount, he earned a profit of 13 1/3%. What would have been the percent profit earned if no discount was offered?
A) 0.2 B) 0.3333 C) 0.1717 D) 0.25