Practice SSC CGL 2025 Tier 1 Reasoning PYQ – 18 Sep 2025 Shift 3 (24 Questions with Solutions)

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

D I N, I N S, N S X, S X C, ?

If 6 @ 2 = 9, 15 @ 3 =125, then 8 @ 4 = ?

Choose the correct signs to swap.
\(40 \div 8 + 10 - 5 \times 2 = 5\)

A is the brother of B. B is the sister of C. C is the brother of D. How is B related to D?

Solve:
FD : KH :: QM : ?

What comes next: 13, 16, 21, 30, 45, ?

Read the following statement carefully and identify the conclusion that follows.

Statement: Rising noise pollution in urban areas is affecting children’s concentration.
Conclusion I: Urban children can’t study well.
Conclusion II: Controlling noise pollution may improve children’s concentration.

Identify the odd one out:

Instruction: Identify the assumptions that must hold for the statement to be valid, then choose the correct option.

Statement: The introduction of Artificial Intelligence into healthcare systems can enhance diagnostic accuracy, but its widespread implementation may lead to ethical dilemmas in patient care.

Assumptions:
I. AI can improve healthcare diagnostics.
II. The ethical concerns surrounding AI in healthcare are significant.
III. AI will eventually replace human healthcare professionals.

Read the following statement carefully and identify the conclusion that follows.

Statement: All metro stations are under CCTV surveillance.
Conclusions:
I. Activities at metro stations are being monitored.
II. No criminal activity can happen in metro stations.