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Concept drill

logical reasoning

GATE Civil Engineering · Number Puzzles · 2018-2026

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Rosen — Discrete Mathematics and Its Applications

Discrete structures, counting, relations, graph theory

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2026 Q4

'If Anish had scored hundred runs in today's match, he would have been made the captain of his team. He would have then become the youngest captain in his team's history. Unfortuna...

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2025 Q7

For the clock shown in the figure, if O* = O Q S Z P R T, and X* = X Z P W Y O Q, then which one among the given options is most appropriate for P*?

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2025 Q8

A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K). Which one of the following options displays...

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2024 PYQ

Statements: 1. All heroes are winners. 2. All winners are lucky people. Inferences: I. All lucky people are heroes. II. Some lucky people are heroes. III. Some winners are heroes....

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2023 Q6

Elvesland is a country that has peculiar beliefs and practices. They express almost all their emotions by gifting flowers. For instance, if anyone gifts a white flower to someone,...

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2023 PYQ

A duck named Donald Duck says “All ducks always lie.” Based only on the information above, which one of the following statements can be logically inferred with certainty?

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2023 PYQ

Elvesland is a country that has peculiar beliefs and practices. They express almost all their emotions by gifting flowers. For instance, if anyone gifts a white flower to someone,...

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2022 Q6

Healthy eating is a critical component of healthy aging. When should one start eating healthy? It turns out that it is never too early. For example, babies who start eating healthy...

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2022 Q9

In the square grid shown on the left, a person standing at P2 position is required to move to P5 position. The only movement allowed for a step involves, "two moves along one direc...

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2022 PYQ

Given the statements : $$\bullet$$ P is the sister of Q. $$\bullet$$ Q is the husband of R. $$\bullet$$ R is the mother of S. $$\bullet$$ T is the husband of P. Based on the above...

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2022 PYQ

In the last few years, several new shopping malls were opened in the city. The total number of visitors in the malls is impressive. However, the total revenue generated through sal...

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2021 Q5

Four persons P, Q, R and S are to be seated in a row. R should not be seated at the second position from the left end of the row. The number of distinct seating arrangements possib...

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2021 Q8

1. Some football players play cricket. 2. All cricket players play hockey. Among the options given below, the statement that logically follows from the two statements 1 and 2 above...

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2020 Q4

If 0, 1, 2, ...,7, 8, 9 are coded as O, P, Q, ..., V, W, X, then 45 will be coded as ______.

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2019 Q6

Mohan, the manager, wants his four workers to work in pairs. No pair should work for more than 5 hours. Ram and John have worked together for 5 hours. Krishna and Amir have worked...

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2019 Q10

P, Q, R, S and T are related and belong to the same family. P is the brother of S. Q is the wife of P. R and T are the children of the siblings P and S respectively. Which one of t...

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2018 Q10

Each of the letters arranged as below represents a unique integer from 1 to 9. The letters are positioned in the figure such that (A x B x C), (B x G x E) and (D x E x F) are equal...

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