Sum of two numbers is thrice their difference. Their ratio is :
Options:
A . 1 : 2
B . 2 : 1
C . 3 : 1
D . 1 : 3
Answer: Option B Let the numbers = a, b According to the question, a + b = 3 (a - b) $$\frac{a + b}{a - b}$$ = $$\frac{3}{1}$$ By componendo and dividendo $$\frac{2a}{2b}$$ = $$\frac{4}{2}$$ $$\frac{a}{b}$$ = $$\frac{2}{1}$$ a : b = 2 : 1
Submit Comment/FeedBack