The price of a commodity rises from Rs. 6 per kg to Rs. 7.50 per kg. If the expenditure cannot increase, the percentage of reduction in consumption is :

A. 15%

B. 20%

C. 25%

D. 30%

Answer: Option B

Solution(By Examveda Team)

Gain in price = 7.5 - 6 = 1.5
Required percentage reduction
= $$\frac{1.5}{7.5}$$ × 100
= 20%