The smallest natural number which is divisible by 48, 72, 16 and 15 is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 720
48 = 2⁴ × 3
72 = 2³ × 3²
16 = 2⁴
15 = 3 × 5
LCM = 2⁴ × 3² × 5 = 16 × 9 × 5 = 144 × 5 = 720