Question

Mark (a) if the question can be answered from statement I alone
Mark (b) if question can be answered from statement II alone
Mark (c) if question can be answered using both statements together but not by using either statement alone
Mark (d) if the question cannot be answered by using both the statements.
Is the four digit number ‘abcd’ a perfect square?
1. a = 2, b = 2, d = 6
2. b = 4, c = 8, d = 6

• A. A
• B. B
• C. C
• D. D

Answer 1

The correct option is B B

Wherever the units digit of a perfect square is 6, the tens place must be odd.

$\therefore$ From statement 2 alone, we can say that the number is not a perfect square.

Hence the correct option is b.