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Q:

If (x + y + z) = 12, xy + yz + zx = 44 and xyz = 48, then what is the value of x3 + y3+ z3?

A) 104 B) 144
C) 196 D) 288
 
Answer & Explanation Answer: D) 288

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Q:

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

A) 5/2 B) 25/3
C) 4 D) 3
 
Answer & Explanation Answer: D) 3

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Q:

For what value of k, the expression x6 18x3 + k will be a perfect square?

A) -9 B) 81
C) 9 D) -81
 
Answer & Explanation Answer: B) 81

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Q:

What is the simplified value of 1-sin A1+sin A ?

A) tan A B) sec A
C) sec A + tan A D) sec A – tan A
 
Answer & Explanation Answer: D) sec A – tan A

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Q:

If p/q = (x+3)/(x-3), then what is the value of p2+q2p2-q2 ?

A) x+9 B) x2+96x
C) x2+186x D) 0
 
Answer & Explanation Answer: B) x2+96x

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Q:

What is the value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?

A) √a B) 1/√a
C) 0 D) √a+1
 
Answer & Explanation Answer: A) √a

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Q:

If x=8+215, then what is the value of x+1x?

A) 2√15 B) 3√5
C) (3√5+√3)/2 D) 3√2+3
 
Answer & Explanation Answer: C) (3√5+√3)/2

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Q:

What is the value of 1xp-q+1+1xq-p+1?

A) 0 B) 1
C) x D) cant determine
 
Answer & Explanation Answer: B) 1

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