Question

Two numbers are in ratio 7:10 if the largest number is 140 what is the smallest number

Answer 1

Let the numbers be 7a and 10a

According to question

10a = 140

=> a = 14

Smaller number = 7 * 14

= 98

Answer 2

Let the numbers be 10x,7x
ATQ
10x=140
x=140÷10
x=14
therefore
smallest number=7(x)
= 7(14)
=98