Question

Which is not a perfect square
1
100
1000
8000
​

Answer 1

Answer:

1 is not a a perfect square

Step-by-step explanation:

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Answer 2

Answer:

1000 and 8000 are not a perfect square.

Verification:

Let check through option wise which is not a per fect square.

(a) 1 = √1 = 1.

Hence it is perfect square.

(b) 100 = √100 = 10

Hence it is perfect square.

(c) 1000 = √1000 = √(100 × 10) = 10√10

Hence it is not a perfect square. Actually it is perfect cube.

(d) 8000 = √8000

Hence it is not a perfect square. Actually it is perfect cube.