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Q:

If x + y = 10 and x2 + y2 = 68, then find xy

A) 21 B) 24
C) 25 D) 16
 
Answer & Explanation Answer: D) 16

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Coefficient of x in (x + 8)(6 -­ 3x) is

A) 18 B) 30
C) -18 D) -30
 
Answer & Explanation Answer: C) -18

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Q:

The diameter of a circle is 28 cm find its area?

A) 616 sq cm B) 308 sq cm
C) 154 sq cm D) 77 sq cm
 
Answer & Explanation Answer: A) 616 sq cm

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Filed Under: Area
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Q:

What is the measure of an interior angle of a regular dodecagon?

A) 120° B) 140°
C) 150° D) 144°
 
Answer & Explanation Answer: C) 150°

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Filed Under: Volume and Surface Area
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Q:

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

A) x + 3y = 6 B) x + 3y = -­6
C) x -­ 3y = -­6 D) x ­- 3y = 6
 
Answer & Explanation Answer: B) x + 3y = -­6

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Q:

Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 2:5, and area of Δ APQ is 4 sq cm, what is the area of trapezium PQCB?

A) 49 sq cm B) 45 sq cm
C) 25 sq cm D) 21 sq cm
 
Answer & Explanation Answer: B) 45 sq cm

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Q:

If a cylinder of radius 7 cm and height 9 cm is melted and constructed into a cone of the same radius, what will be the height of this cone?

A) 54 cm B) 9 cm
C) 27 cm D) 13.5 cm
 
Answer & Explanation Answer: C) 27 cm

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Filed Under: Volume and Surface Area
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Q:

If the shopkeeper sells an item at Rs 1000 which is marked as Rs 1250, then what is the discount he is offering?

A) 25 percent B) 33.3 percent
C) 250 percent D) 20 percent
 
Answer & Explanation Answer: D) 20 percent

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Filed Under: Percentage
Exam Prep: Bank Exams