Consider the following numbers 1 2222 nb...........

Quantitative Aptitude (CDS) Number System

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Consider the following numbers:

1. 2222 2.11664

3. 343343 4. 220347

Which of the above are not perfect squares?

1, 2 and 3

1, 2 and 4

2, 3 and 4

1, 3 and 4

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Explanation:

As, square root of 2222 = 47.13, so, 2222 is not a perfect square.
Square root of 11664 = 108, so, 11664 is a perfect square.
Square root of 343343 = 585.95, so, 343343 is not a perfect square.
Square root of 220347 = 469.41, so, 220347 is not a perfect square.
Thus, A, C and D are not a perfect square.