Two numbers x and y are in the ratio 5 : 7 and their sum is 36. Then x is -
A. 12
B. 15
C. 18
D. 19
Answer: Option B
Solution(By Examveda Team)
Let x = 5k and y = 7kThen,
= x + y = 36 ⇒ 5k + 7k = 36
⇒ 12k = 36
⇒ k = 3
∴ x = 5k = 5 × 3 = 15
This Question Belongs to Arithmetic Ability >> Ratio
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