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 $36$