Question

Find the least number by which 69192 must be 1) decreased 2) increased 3) multiplied 4) divided to make it a perfect square
step by step explanation of each and everything
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Answer 1

Answer:

Correct option is A)

The first row is 23,15,9,64.

Doing the operations in first row, we get :

23+15=38

38−9=29

29+64=93

⇒x=93

So, the second row is 93,31,15,3

Now, doing the operations in second row, we get :

93÷31=3

3+15=18

18×3=54

⇒ The answer is 54.