Question

please with full solution​

Answer 1

In first 40/5=8

8^2=64

In second 63/7=9

9^2=81

In Third x/4

(x/4)^2=16

(x/4)^2=4^2

√[(x/4)^2]=√(4^2)

x/4=4

x=4×4

x=16

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