Question

$42\times 63=$ ____

• A. 2666
• B. 2446
• C. 2464
• D. 2646

Answer 1

The correct option is D 2646

$42\times 63=(40+2)\times (60+3)$

Let us look at the below table that explains this calculation.


Now, adding 2400, 120, 120 and 6, we get the product of 42 and 63.

$2400+120+120\underset{–}{+6}\underset{–}{2646}$

$\therefore 42\times 63=2646$