Question

Two numbers are in ratio 7:5 and their difference is 20. Find the smaller number.
A 20
B. 35 C.50 D.75​

Answer 1

Step-by-step explanation:

Let the common ratio be X

Then

1. A=7x
2. B=5x

According to the question

7x-5x=20

2x=20

X=10

5x=50

7x= 70

Answer 2

Answer:

let the no .be 7x and 5x

7x-5x=20

2x=20

X=20/2

X=10

1st no. is 7x that is 7×10=70

2nd no =5x=5×10=50

so, ur answer is C.50