Question

please say me the answer​

Answer 1

Answer:

A+B =12

B+ C = 15

A+C =20

L.C.M of the (15, 12,20) =60

the efficiency is

A+B=5

B+C =4

A+C=3

so the total efficiency is

2(a+b+c)=12

a+b+C =6

A=6-4=2

B=6 -3=3

c= 6 - 5 =1

so, A = 60 / 2=30

B= 60/3 =20

C=60/1 = 60