NAT Analytical Reasoning MCQs

If he is truthful, the claim that he always lies is false; if he is a liar, the claim would be true.
Both possibilities contradict the assigned behavior.

Order does not matter when selecting a committee.
The number of selections is 5 choose 2 = 10.

Because all labels are wrong, the Mixed-labeled box contains only one fruit type.
One draw identifies it, and the remaining labels can then be assigned by elimination.

The prizes are distinct, so order matters.
The number of assignments is 5×4×3 = 60.

The rule A → C requires C whenever A is chosen.
Selecting A without C directly violates the condition.

Every student must receive exactly one identical pen.
There is only one distinguishable final distribution.

The constraints form a single chain S before P before Q before R.
Only S, P, Q, R satisfies all three conditions.

Let the son's age be x and the father's age 2x.
Then 3x = 54, so x = 18.

An odd number of presses changes the initial state to the opposite state.
Since 17 is odd, the lamp is on.

The valid order preserves W before X before Y and Z before V.
Only W, Z, X, V, Y satisfies both chains.

Those liking at least one are 60 + 50 - 20 = 90.
Therefore, 100 - 90 = 10 like neither.

One switch leaves the bulb warm, one leaves it lit, and one leaves it cold and dark.
These three states identify all three switches in one entry.