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Q:

What is the value of Cot 45° - (1/√3)Cosec 60°?

A) 1/√3 B) 1/2
C) 1/√2 D) 1/3
 
Answer & Explanation Answer: D) 1/3

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Filed Under: Simplification
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Q:

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

A) 90 B) 98
C) 94 D) 86
 
Answer & Explanation Answer: A) 90

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Filed Under: Area
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Q:

ax + 5y = 8 has slope of -4/3. What is the value of a?

A) 20/3 B) 3/20
C) -20/3 D) -3/20
 
Answer & Explanation Answer: A) 20/3

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Q:

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

A) (0 , 13) B) (0, 5)
C) (0, -5) D) (0 , -13)
 
Answer & Explanation Answer: D) (0 , -13)

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Q:

What is the reflection of the point (-1 , 3) in the line x = -4?

A) (-7 ,-3) B) (-7 ,3)
C) (7 ,-3) D) (7 ,3)
 
Answer & Explanation Answer: B) (-7 ,3)

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Q:

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

A) -75 B) 55
C) 11 D) 100
 
Answer & Explanation Answer: C) 11

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Q:

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

A) 4/5 B) 9/4
C) 4/9 D) 5/4
 
Answer & Explanation Answer: D) 5/4

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Q:

If a3 + b 3 = 35 and ab = 6, then what is the value of a + b?

A) 5 B) 8
C) 2 D) -8
 
Answer & Explanation Answer: A) 5

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