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1. If x+y=9 and x/y=2, then x equals to ----
- A. 5
- B. 5
- C. 5
- D. 5
Answer: Option B
Explanation:
X/Y = 2
or, Y = X/2
Now, X + Y = 9
or, X + X/2 = 9
or, 3X/2 = 9
So, X = 9×2/3 = 6
or, Y = X/2
Now, X + Y = 9
or, X + X/2 = 9
or, 3X/2 = 9
So, X = 9×2/3 = 6
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