The cost of 8 fans and 14 ovens is Rs. 36520. What is the cost of 12 fans and 21 ovens ?

A. Rs. 56800

B. Rs. 54780

C. Rs. 57950

D. Cannot be determined

Answer: Option B

Solution(By Examveda Team)

Cost of 8 fan's and 14 oven's is Rs. 36520
Cost of 4 fan's and 7 oven's is Rs. $$\frac{{{\text{36520}}}}{2}$$  = Rs.18260
Cost of 12 fan's and 21 oven's is
= 18260 × 3
= Rs. 54780