Question

If 5472=18, 6342=15 and 7584=24, then 9236 = ?
A) 18 B) 19 C) 20 D) 21

Answer 1

5472 = 5 + 4 + 7 + 2 = 9 + 9 = 18

The digits are added to get the result .

6 + 3 + 4 + 2 = 15

7 + 5 + 8 + 4 = 24

Hence 9236 = 9 + 2 + 3 + 6

= 11 + 9

= 20

Hence answer is OPTION C .

Answer 2

5 + 4+7+2 = 18

sum of all the numbers gives you the answer

9+2+3+6 = 20

option c is correct