Nadeem's Age Data Sufficiency
XAT 2022 · QADI · Medium · Data Sufficiency
Nadeem's age is a two-digit number X, squaring which yields a three-digit number, whose last digit is Y. Consider the statements below: Statement I: Y is a prime number Statement II: Y is one-third of X
To determine Nadeem's age uniquely:
- A.
either of I and II, by itself, is sufficient.
- B.
only II is sufficient, but I is not.
- C.
only I is sufficient, but II is not.
- D.
it is necessary and sufficient to take I and II together.
- E.
even taking I and II together is not sufficient.
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