Question

If 1 kg of mangoes cost ₹41, then the cost of 13 kg mangoes is .

• A. ₹622
• B. ₹789
• C. ₹533

Answer 1

The correct option is C ₹533

cost of 1 kg mangoes = ₹41
cost of 13 kg mangoes = ₹41 x 13
$\begin{array}{ccccc}& & 4& 1& \\ & \times & 1& 3& \\ & 1& 2& 3& (41\times 3)\\ +& 4& 1& 0& (41\times 10)\\ & 5& 3& 3& \end{array}$
Hence, the cost of 13 kg mangoes = ₹533.