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PIMSO 2025 - Mathematics - Secondary 1 - National Round Question 6

PIMSO Maths · PIMSO 2025 - Mathematics - Secondary 1 - National Round

Question 6

Simplify the following sum into $\frac{x}{y}$ such that such that x and y have no common factors. Find the value of xy.

$\frac{2025}{100\times102}+\frac{2025}{102\times104}\times\frac{2025}{106\times108}\times\cdots\times\frac{2025}{288\times300}$

Question illustration

Original choices: A. 135; B. 108; C. 405; D. 408.

Editorial note: The printed conditions need clarification. Discuss the issue and justify any conditional interpretation; no automatic answer is assigned.