Question

which of the following cannot be perfect square 1) 841 2)529 3) 198 4) none of these​

Answer 1

Answer:

198

Step-by-step explanation:

just see the ones place

1 is a perfect square number

9 is also a perfect square number

but 8 is not a perfect square number

so the answer is 198

Answer 2

ANSWER..........................,

(c) We know that, a number ending with digits 2, 3, 7 or 8 can never be a perfect square.

So, 198 cannot be written in the form of a perfect square.