The ratio of present ages of Rahul and his sister is 3:4
Before 10 years the ratio of their ages was 13:19 What is
Rahur's present age (in years)? राहुल और उनकी बहन की वर्तमान
आयु का अनुपात 3:4 है। 10 वर्ष सवे पहले उनकी आयु का अनुपात
13:19 था। राहुल की वर्तमान आयु (वर्षों में) क्या है?
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Answer:
Let the age of Rahul be 3x
Then the age of his sister 4x
Then ATQ
3x-10/4x -10 = 13/19
By cross multiplication
=)19(3x-10)=13(4x -10)
=)57x-190=52x-130
=)57x-52x = -130+190
=)5x=60
=)x=60/5
=)x=12
Present age of Rahul= 3 × 12 = 36
Step-by-step explanation:
Let, the present age be x years
then the age of Rahul be 3x
the age of his sister be 4x
According to Question
Before 10 year
=