Question

7.

Find the greatest 4-digit number which is exactly divisible by 12, 16, 20
and 24.​

Answer 1

Answer:

9840

Step-by-step explanation:

first take LCM

Any higher common multiple of these four numbers will be a multiple of the LCM i.e. 240

Dividing 9999 (which is the highest 4 digit number) by 240

we get the answer....

Answer 2

Answer:

9840

12*820

16*615

20*492

24*410