Question

If $1kg$ of wheat costs Rs $12$, what will be the cost of $3kg$ of wheat?

• A. Rs. $36$
• B. Rs. $15$
• C. Rs. $4$
• D. Rs. $20$

Answer 1

The correct option is A Rs. $36$

Cost of $3kg$ of wheat is nothing but $3$ times the cost of $1kg$. Therefore, we have:
Cost of $3kg=3\times$ Rs $12$ = Rs $36$