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Q:

The length and breadth of a rectangular piece of a land are in a ratio 5:3. The owner spent Rs. 6000 for surrounding it from all sides at Rs.7.50 per metre. The difference between its length and breadth is

A) 50 metres B) 100 metres
C) 150 metres D) 250 metres
 
Answer & Explanation Answer: B) 100 metres

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

Q:

The external and the internal radii of a hollow right circular cylinder of height 15 cm are 6.75 cm and 5.25 cm respectively. If it is melted to form a solid cylinder of height half of the orignal cylinder, then the radius of the solid cylinder is

A) 6 cm B) 7.25 cm
C) 6.5 cm D) 7 cm
 
Answer & Explanation Answer: A) 6 cm

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Q:

The base of a right prism is a trapezium whose the length of parallel sides are 25 cm and 11 cm and the perpendicular distance between the parallell sides in 16 cm. If the height of the prism is 10 cm, then the volume of the prism is

A) 1440 cu.cm B) 1540 cu.cm
C) 2880 cu.cm D) 960 cu.cm
 
Answer & Explanation Answer: C) 2880 cu.cm

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Filed Under: Volume and Surface Area
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Q:

The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in

A) 6 days B) 6 10/33 days
C) 7 10/33  days D) 8 days
 
Answer & Explanation Answer: B) 6 10/33 days

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Filed Under: Area
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Q:

The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 cm. The length of the longest side (in cm) is

A) 52 B) 48
C) 32 D) 26
 
Answer & Explanation Answer: B) 48

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Q:

A solid sphere and a solid hemisphere have the same total surface area. The ratio of their volumes is (Take, π=22/7)

A) 3√3 : 4 B) 4 : 3√3
C) 3 : 4√3 D) 1 : 12√3
 
Answer & Explanation Answer: A) 3√3 : 4

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Q:

If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is

A) 1760 cm3 B) 8800 cm3
C) 2002 cm3 D) 4804 cm3
 
Answer & Explanation Answer: C) 2002 cm3

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Q:

A sum of money is invested at 20% compound interest (compounded annually). It would fetch Rs. 723 more if interest is compounded half-yearly. The sum

A) Rs.15,000 B) Rs.30,000
C) Rs.20,000 D) Rs.7,500
 
Answer & Explanation Answer: B) Rs.30,000

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Filed Under: Compound Interest
Exam Prep: Bank Exams