Question

1. NUMBERS
A students is asked to multiply a number by 50
instead he multiply the given number by 30. His
answer is 400 less than the correct answer. What
is the given number?
13720 (C) 30
(D) 40
(A) 10
ers​

Answer 1

The answer is 20

If we take 20 as the given number and multiply it with 50, then the answer we get is 1000.

When we multiply 20 with 30 we get 600

Here, 600 is exactly 400 less than 1000

So the answer is 20