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If sum of the two number is 80 and ratio is...

This question belongs to Arithmetic Ability Number System
Number System
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If sum of the two number is 80 and ratio is 3 : 5, then find numbers :

Answer & Solution
Correct Answer: Option D
Let number are a, b = 3x, 5x
So, 3x + 5x = 8x = 80
x = 10
So, number is :
3 × 10 = 30
5 × 10 = 50
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