Question

The least number divisible by each of the numbers 15;20;24 & 32 is
a) 960
b) 480
c) 360
d) 640​

Answer 1

Answer:

b) 480

Step-by-step explanation:

Least number divisible by 15, 20, 24 and 32 = LCM of 15,20,24 and 32.

15 = 3*5

20 = 2*2*5

24 = 2*2*2*3

32 = 2*2*2*2*2

LCM = 2*2*2*2*2*3*5

LCM = 32*15

LCM = 480

The least number divisible by each of the numbers 15;20;24 & 32 is 480.

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Answer 2

Step-by-step explanation:

answer is option b. We have to factorise it