Quantitative Aptitude - Arithmetic Ability Questions

Q:

A bank offers 10% compound interest per half year. A customer deposits Rs. 2000 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

A) Rs 1240 B) Rs 310
C) Rs 155 D) Rs 620
 
Answer & Explanation Answer: D) Rs 620

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

A) 1:2:3 B) 2:3:4
C) 2:3:1 D) 3:2:1
 
Answer & Explanation Answer: A) 1:2:3

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?

A) 128 cm B) 96 cm
C) 64 cm D) 32 cm
 
Answer & Explanation Answer: C) 64 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If tan2A + cot2A + 2 = x, then the value of x is

A) tan2Acosec2A B) secAcosecA
C) sec2Acosec2A D) tanAcosecA
 
Answer & Explanation Answer: C) sec2Acosec2A

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S? 

A) 6179/15275 B) 6070/14973
C) 7191/15174 D) 5183/16423
 
Answer & Explanation Answer: B) 6070/14973

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ABC = ACB = 75°.

A) 105 B) 147.5
C) 160 D) 170
 
Answer & Explanation Answer: A) 105

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If √x ­- √y = 1 , √x + √y = 17 then √xy = ?

A) √72 B) 72
C) 32 D) 24
 
Answer & Explanation Answer: B) 72

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Filed Under: Simplification
Exam Prep: Bank Exams

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