Question

1. Find the greatest 3-digit number which is divisible by 16, 18 and 24.
2. Find the greatest 3‐digit number which is a common multiple of 6, 15 and 21​

Answer 1

144 is the greatest number of 16,18 and24

Answer 2

Answer:

a)864

b)850

Step-by-step explanation:

a)

LCM of 16,18 and 24 is 144

all the multiple of 144 are also divisible by 16,18 and 24

:. 144*6=864

b)

LCM of 6,15 and 21 is 210

the required number is 219*4=840