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Mathematics Mcqs, PPSC MODEL PAPER 173 CLUB CASE ID - 117 (2025), PPSC Past Papers PDF | By Umar

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Find LCM of 27 & 63:

Find LCM of 27 & 63:

A. 100

B. 189

C. 81

D. 216

Correct Answer: B. 189

Explanation: Prime factors: 27 = 3³, 63 = 3²×7 → LCM = 3³×7 = 189.

Choose the correct sentence:

If cost price = 1500 and selling price = 1200, discount percentage is:

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