CAT 2000 — QA Question 7
Solving InequalitiesEasy
If x > 2 and y > – 1, Then which of the following statements is necessarily true?
Answer & solution
- A
xy > –2
–x < 2y
- C
xy < –2
- D
–x > 2y
Solution
y > –1
∴ –2y < 2 < x
∴ –x < 2y
Hence, option (b).
If x > 2 and y > – 1, Then which of the following statements is necessarily true?
xy > –2
–x < 2y
xy < –2
–x > 2y
y > –1
∴ –2y < 2 < x
∴ –x < 2y
Hence, option (b).