Question

If A : B = 7 : 9 and B : C = 5 : 4, then A : B : C is ______.

विकल्प

• 7 : 45 : 36

• 28 : 36 : 35

• 35 : 45 : 36

• none of these

Answer 1

If A : B = 7 : 9 and B : C = 5 : 4, then A : B : C is 35 : 45 : 36.

Explanation:

Make the common term B equal: 7 : 9 becomes 35 : 45 and 5 : 4 becomes 45 : 36.

Therefore, A : B : C = 35 : 45 : 36.