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Linear Equations

5 PYQ across 3 exams · 2023–2025 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CISF 2023 → ESE 2024 → EPFO 2025
20232 PYQs
CISFQ31
A father's age is 2 years more than 4 times the age of his son. His age is also 2 years more than 5 times the age of his daughter. The avera…
CISFQ69
In a game between X and Y, X has to give ₹ 10 each time he loses to Y. If he wins, then he gets ₹ 50 from Y. If they play 15 times and X ear…
20241 PYQ
ESEQ21
Nothing is known about the personal life of the ancient Greek mathematician Diophantus except for the information in the following: "Diophan…
20252 PYQs
EPFOQ66
The length of candle B is 3 times the length of candle A. The speed of burning of Candle B is 4 times the speed of burning of Candle A. A pa…
ESEQ13
The weight of 3 mangoes and 2 apples is 255 grams. The weight of 2 mangoes and 3 apples is 285 grams. Each mango weighs the same and each ap…
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