Quantitative Aptitude - Arithmetic Ability Questions

Q:

35 persons are engaged to complete a work in 60 days. After 32 days it is observed that only (2/5)th part of the work has been done. The number of persons to be engaged to complete the remaining work in the said period is

A) 20 B) 35
C) 30 D) 25
 
Answer & Explanation Answer: D) 25

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The sum of length, breadth and height of a cuboid is 22 cm and the length of its diagonal is 14 cm.
If S is sum of the cubes of the dimensions of the cuboid and V is its volume, then what is (S-3V) equal to?

A) 572 cub.cm B) 728 cub.cm
C) 1144 cub.cm D) None of the above
 
Answer & Explanation Answer: C) 1144 cub.cm

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

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Q:

The amount of simple interest accrued on an amount of Rs 28,500 in seven years is Rs 23,940 What is the rate of interest p.c.p.a ?

A) 10.5 B) 12.5
C) 11 D) 12
 
Answer & Explanation Answer: D) 12

Explanation:

Simple Interest = S.I= pnr/100 Given, S.I = 23940 , p = 28500 , n = 7 thus, r = 100x23940/28500x7 = 12

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Filed Under: Simple Interest

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Q:

Marked price of an article is Rs 520 and selling price is Rs 384.8. What is the discount percentage?

A) 26 B) 24.42
C) 35.13 D) 29
 
Answer & Explanation Answer: A) 26

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Find the standard deviation of {11, 7, 10,13, 9}

A) 1 B) 2
C) 4 D) 5
 
Answer & Explanation Answer: B) 2

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

Triangle ABC as shown in figure has line XY parallel to the BC and the line BY is the bisector of angle XYC. Which of the following option is correct?

A) BC=XY B) BC=YC
C) BC=BY D) XY=BX
 
Answer & Explanation Answer: B) BC=YC

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

10% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

A) 15.225 percent B) 14.5 percent
C) 15 percent D) 5.5 percent
 
Answer & Explanation Answer: B) 14.5 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If a2b+c=b2C+a=a2a+b=1 then 11+a+11+b+11+c is

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

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Filed Under: Simplification

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