If the price of petrol increases by 19% and 5 units intends to spend o
| If the price of petrol increases by 19% and 5 units intends to spend only an additional 12% on petrol, by what percent should she reduce the quantity of petrol purchased (nearest to an integer) ?
A. 7
B. 8
C. 6
D. 5
Right Answer is: C
SOLUTION
Let the initial price of patrol = ₹ 100
New price of patrol = ₹119 (19% increase)
Let the initial expenditure be = ₹100
New expenditure = ₹ 112 (12% increase)
Reduced in quantity of patrol purchased = 119 – 112 = 7
Required = 
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If the price of petrol increases by 19% and 5 units intends to spend o