How many positive integers less than ten thousand are multiples of both eight and eighteen.

How many positive integers less than ten thousand are multiples of both eight and eighteen.

A 70

B 72

C 138

D 139

Solution

Correct Answer: Option C

৪ ও 18 এর ল.সা.গু = 72
∴ নির্ণেয় পূর্ণ সংখ্যা =10000/72
= 138.8 ≈ 138 টি