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Q:

A contractor has got two orders A and B. On one (A) he spends Rs. 25,000 and makes a bill of Rs. 30,500. On the other (B) he makes a bill keeping a profit of 20%. Which of the two orders is more profitable to him?

A) B B) A
C) A nor B D) None of the above
 
Answer & Explanation Answer: B) A

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

The average age of 40 students of a class is 16 years. If the average age of 24 students is 15.5 years and that of the 15 students is 16 2⁄3 years, then the age of 40th student is

A) 17 B) 16
C) 16.5 D) 18
 
Answer & Explanation Answer: D) 18

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

Q:

The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cub.cm more. Assuming Π = 22/7, the height of the cylinder is

A) 5 cm B) 7 cm
C) 9 cm D) 11 cm
 
Answer & Explanation Answer: B) 7 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

a and b are irrational numbers such that a+b = q is a rational number; then a­b is

A) always rational B) sometimes rational
C) always irrational D) some times irrational
 
Answer & Explanation Answer: C) always irrational

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

In ΔABC, ∠B=90 deg and BC= √3 AB. Find the measurement of ∠A

A) 45 deg B) 90 deg
C) 30 deg D) 60 deg
 
Answer & Explanation Answer: D) 60 deg

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is

A) 18 deg B) 54 deg
C) 72 deg D) 10 deg
 
Answer & Explanation Answer: B) 54 deg

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

A) 1 B) 0
C) 2 D) 4
 
Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

The line segment AB intersects the straight line CD at B; AB will be smallest when ∠ ABD (in degrees) is

A) 30 B) 60
C) 90 D) 45
 
Answer & Explanation Answer: C) 90

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams