Question

find missing no in this question​

Answer 1

Step-by-step explanation:

the correct answer is 18

method:-

1) 28 - 20

= 8

8 square = 64

2) 45 - 36

= 9

9 square = 81

3) 22 - ?

= 16

16 is the square of 4

so,

22 - ?= 4

? = 22 - 4

? = 18