Question

Three numbers are in the ratio of 3 : 4 : 5 and their L.C.M is 1200. The H.C.F of the numbers is
1) 40
2) 30
3) 80
4) 20

Answer 1

Answer:

4 ) 20

Step-by-step explanation:

Given Ratio = 3 : 4 : 5

Sum of the ratio = 3 + 4 + 5

                           = 12

In the given numbers 3 , 4 , 5 the highest number is 5

So ,

$\frac{1200}{12}$× 5

= 20

Answer 2

Answer:

1) 20

Step-by-step explanation:

the sum of the ratio = 3:4:5

=3 +4 + 5

=12

the three ratio are 3,4,5 the highest ratio is 5

1200 ÷ 12

==100 ÷ 5

= 20