Question

If the number7254*98 is divisible by 22, the digit at * is

Answer 1

For a number to be divisible by 22, it should be divisible by 11 and 2 both.

Divisibility test by 2:-
It is divisible by 2 as unit digit is an even number.

Divisibility test by 11:-
Difference between sum of odd and even places should be divisible by 11.
Odd:- 8+*+5+7
= 20 + *
Even:- 9+4+2
= 15
Difference = 20 + * -15
= 5 + *
For 5 + * to be divisible by 11, * should be:-
11 - 5
= 6
Therefore, * should be 6

Hope it helps you ☺
Please mark as Brainliest ☺