A forty gallons of gas is required to travel 400 miles using a 1200 CC engine. If the capacity of the engine is directly varying with the volume of gas, then how many gallons of gas required to travel 600 miles using 1500 CC engine ?

A) 20
B) 27.5
C) 37.5
D) 42.5
E) 75

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The value of a diamond is proportional to the square of its weight. It is broken into three pieces whose weights are in the ratio 3:2:5.Find the loss incurred due to breakage if the value of the original diamond is USD 20,000.

A. 12,600

B. 12,200

C. 12,000

D.12,400

E. 13,300