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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

One side of a rectangular field is 15m and one of its diagonal is 17m. Find the area of field?

A) 110 B) 120
C) 130 D) 140
 
Answer & Explanation Answer: B) 120

Explanation:

Other side = [(17 x 17) - (15 x 15)] = (289 - 225) = 8m
Area = 15 x 8 =120 sq. m

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

73 38908
Q:

The ratio of selling price to the cost price is 21 : 16. What is the profit percentage?

 

A) 35.75 B) 21.75  
C) 27.75 D) 31.25
 
Answer & Explanation Answer: D) 31.25

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 38823
Q:

If a * b = 2a - 3b + ab, then 3 * 5 + 5 * 3  is equal to : 

A) 22 B) 23
C) 24 D) 25
 
Answer & Explanation Answer: A) 22

Explanation:

3 * 5 + 5 * 3 = (2 * 3 - 3 * 5 + 3 * 5) + ( 2 * 5 - 3 * 3 + 5 * 3)

                    = (6 + 10 - 9 + 15) = 22.

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Filed Under: Simplification

88 38814
Q:

A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in metres) is

A) 600 B) 750
C) 1000 D) 1250
 
Answer & Explanation Answer: D) 1250

Explanation:

speed    = (5x5/18)m/sec
             = 25/18 m/sec.


Distance covered in 15 minutes    = (25/18 x 15 x 60)m
                                                 = 1250 m.

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Filed Under: Time and Distance

107 38750
Q:

The length and breadth of a rectangle are 21 cm and 20 cm respectively. Find its area (in cm2).

 

A) 420 B) 840
C) 80 D) 160
 
Answer & Explanation Answer: A) 420

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

A contractor undertakes to do a piece of work in 40 days. He engages 100 men at the begining and 100 more  after 35 days and completes the work in stipulated time. If he had not  engaged  the additional men, how many days  behind schedule would it be finished?

A) 3 B) 5
C) 6 D) 9
 
Answer & Explanation Answer: B) 5

Explanation:

[(100 x 35) + (200 x 5)]men can finish the work in 1 day 

Therefore, 4500 men can finish the work in 1 day. 100 men can finish it in  4500/100= 45 days.

This is 5 days behind Schedule

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Filed Under: Chain Rule

64 38656
Q:

In the following question, select the related number from the given alternatives.

8 : 27 : : 64 : ?

A) 190 B) 144
C) 125 D) 72
 
Answer & Explanation Answer: C) 125

Explanation:
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Filed Under: Ratios and Proportions

0 38537
Q:

Find the surface area (in sq.cm) of a sphere of diameter 14 cm.

 

A) 616   B) 4699  
C) 8628   D) 6922
 
Answer & Explanation Answer: A) 616  

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

3 38474