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1. If x + y > 5 and x _ y > 3, then which of the following gives all & only possible values of x?
- A. x > 4
- B. x > 4
- C. x > 4
- D. x > 4
Answer: Option A
Explanation:
x+y>5….(i)
x-y>3….(ii)
(i)+(ii),
x+y+x-y>5+3
or, 2x>8
or, x>4
(ans)
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