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Q:

Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is

A) Rs 5000 B) Rs 1250
C) Rs 2000 D) Rs 2500
 
Answer & Explanation Answer: D) Rs 2500

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Filed Under: Simple Interest
Exam Prep: Bank Exams

Q:

A student multiplied a number by 6/13 instead of 13/6. What is the percentage error in the calculation?

A) 369.44 percent B) 39.35 percent
C) 184.72 percent D) 78.7 percent
 
Answer & Explanation Answer: D) 78.7 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

Q:

A trader had 12 quintals of wheat. He sold a part of it at 13% profit and the rest at 23% profit, so that he made a total profit of 17 %. How much wheat did he sell at 23% profit?

A) 720 kg B) 240 kg
C) 480 kg D) 960 kg
 
Answer & Explanation Answer: C) 480 kg

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

Q:

Two cars travel from city A to city B at a speed of 30 and 36 km/hr respectively. If one car takes 3 hours lesser time than the other car for the journey, then the distance between City A and City B is

A) 648 km B) 810 km
C) 432 km D) 540 km
 
Answer & Explanation Answer: D) 540 km

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Filed Under: Time and Distance
Exam Prep: Bank Exams

Q:

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?

A) 6 hours B) 3 hours
C) 12 hours D) 24 hours
 
Answer & Explanation Answer: A) 6 hours

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

If (1 -­ cosA)/(1 + cosA) = x, then the value of x is

A) (cotA + cosecA)2 B) (cotA -­ cosecA)2
C) cotA -  cosecA D) cotA + cosecA
 
Answer & Explanation Answer: B) (cotA -­ cosecA)2

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If cot(A/2) = x, then the value of x is

A) √[(1 + cosA)/(1 -­ cosA)] B) cosecA -­ cotA
C) √[(1 -­ cosA)/2] D) √[(1 + cosA)/2]
 
Answer & Explanation Answer: A) √[(1 + cosA)/(1 -­ cosA)]

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

A) 240 B) 480
C) 120 D) 720
 
Answer & Explanation Answer: A) 240

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams