Quantitative Aptitude - Arithmetic Ability Questions

Q:

A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to Rs 250 less than the sum lent. What was thesum lent (in Rs)?

A) 1000 B) 1500
C) 2400 D) 3000
 
Answer & Explanation Answer: A) 1000

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Q:

The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?

A) 25.5 B) 24.1
C) 24.5 D) 25.9
 
Answer & Explanation Answer: D) 25.9

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.

A) 2235.5 B) 2425.5
C) 2040 D) 1860
 
Answer & Explanation Answer: B) 2425.5

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

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Q:

Compute 4923 / 547 - 10

A) 1 B) -1
C) 1641/179 D) 1614/179
 
Answer & Explanation Answer: B) -1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A bank offers 15% compound interest per half year. A customer deposits Rs 7200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by means of interest is

A) Rs 6803 B) Rs 850
C) Rs 3402 D) Rs 1701
 
Answer & Explanation Answer: C) Rs 3402

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A  90°

 

A) 60 B) 45
C) 40 D) 30
 
Answer & Explanation Answer: B) 45

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Filed Under: Simplification
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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) SKC B) ZRJ
C) ZSK D) VNF  
 
Answer & Explanation Answer: C) ZSK

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If cos -300° = x, then the value of x is

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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