CAT 2023 Number System Question (Hard)

Question

For any natural numbers , , and , such that divides both and , must be a common divisor of

Optima Learn · Accepted Answer

Step 1 We are given We want to eliminate or to find a useful expression. Step 2 Form a linear combination to eliminate Multiply first equation by 3 Now subtract second equation So Step 3 Now eliminate Multiply first equation by 3 Compare with Subtract same result Now eliminate another way Let s try

CAT 2023 Number System — Previous Year Question

CAT 2023

Quantitative

Number System

Hard

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