1 . if a +2b=6 and ab=4 what is 2/a+1/b?

• A. 1/2
• B. 1
• C. 3/2
• D. 2

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Answer: Option C

Explanation:

2 . If ab-2cd = p; 6cd-3ab=1; what is the value of p?

• A. -3
• B. -1/3
• C. 1/3
• D. 3
• E. None of these

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Answer: Option B

Explanation:

3 . If x = 12, which of the following has the highest value?

• A. (x-3)
• B. (x-7) (x-9)
• C. (x-7) (x-8)
• D. (x - 5) (x-3)

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Answer: Option D

Explanation: