Question

If A : B = 2 : 3 and B : C = 4 : 5, then A : B : C is :
A. 2 : 3 : 5
B. 5 : 4 : 6
C. 6 : 4 : 5
D. 8 : 12 : 15

Answer 1

Answer:

the answer is

=A this is the answer

Answer 2

Answer:

D.8:12:15

Step-by-step explanation:

A:B = 2:3 ------ (1)

B:C = 4:5 ------ (2)

In Both the ratios,take L.C.M of B ie. 3,4

L.C.M of 3,4 = 12

Multiply 4 to (1):

A:B = 8:12

Multiply 3 to (2):

B:C = 12:15

On comparing values of A,B,C:

A:B:C = 8:12:15

Option (D)