کون سا کم از کم مثبت عدد n 180 × n کو 168 اور 225 دونوں سے قابل تقسیم بناتا ہے؟
A35
B42
C70
D140
Answer & Solution
Correct answer: C. 70
چونکہ LCM(168, 225) = 12600 اور 12600 ÷ 180 = 70، کم از کم مثبت ضرب 70 ہے۔
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