A gas tank is 1/5th full and requires 32 gallons more to make it 3/7 full. What is the capacity of the tank?
A
120 gallons
B
140 gallons
C
135 gallons
D
145 gallons
Correct Answer: 140 gallons
Hints: 3/7 - 1/5 = ( 15 - 7)/35 = 8/35 8/35 অংশের জন্য দরকার 32 gallons 1 অংশের জন্য দরকার = ( 32 × 35) /8 = 140 gallons.