6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

'A' sold an article to 'B' at a profit of 20%. 'B' sold the same article to 'C' at a loss of 25% and 'C' sold the same article to 'D' at a profit of 40%. If 'D' paid Rs 252 for the article, then find how much did 'A' pay for it?

A) Rs.196	B) Rs.210
C) Rs.200	D) Rs.235

Answer & Explanation Answer: C) Rs.200

Explanation:

Let the article costs 'X' to A
Cost price of B = 1.2X
Cost price of C = 0.75(1.2X) = 0.9X
Cost price of D = 1.4(0.9X) = 1.26X = 252
Amount paid by A for the article = Rs. 200.

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47 30271

Q:

Find: S.l. on Rs 6250 at 14% per annum for 146 days.

A) Rs.350	B) Rs.450
C) Rs.550	D) Rs.650

Answer & Explanation Answer: A) Rs.350

Explanation:

P = Rs. 6250, R = 14 % & T = (146/365) years = 2/5 years .

S.I= $R s . [\frac{6250 * 14 * \frac{2}{5}}{100}] = R s . 350$

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Filed Under: Simple Interest
Exam Prep: GRE
Job Role: Bank PO

67 30255

Q:

A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?

A) 230 m	B) 240 m
C) 260 m	D) 270 m

Answer & Explanation Answer: D) 270 m

Explanation:

Speed =[ 72 x (5/18) ]m/sec= 20 m/sec.

Time = 26 sec.

Let the length of the train be x metres.

Then,[ (x+250)/26 ]= 20

=> x + 250 = 520

=> x = 270.

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Filed Under: Problems on Trains

36 30242

Q:

The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:

A) 15	B) 16
C) 18	D) 25

Answer & Explanation Answer: B) 16

Explanation:

Let C.P. of each article be Re. 1 C.P. of x articles = Rs. x.

S.P. of x articles = Rs. 20.

Profit = Rs. (20 - x).

$(\frac{20 - x}{x} * 100 = 25)$

=> 2000 - 100x = 25x

=> 125x=2000

=> x=16

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Filed Under: Profit and Loss

419 30214

Q:

How much does a watch lose per day, if its hands coincide ever 64 minutes?

A) 32 8/11	B) 33 8/11
C) 34 8/11	D) 35 8/11

Answer & Explanation Answer: A) 32 8/11

Explanation:

55min spaces are covered in 60min

60 min. spaces are covered in (60/55 x 60) min= 65+5/11 min.

loss in 64min=(65+5/11)- 64 =16/11

Loss in 24 hrs (16/11 x 1/64 x 24 x 60) min= 32 8/11.

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

85 30196

Q:

On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is ?

A) Rs. 55	B) Rs. 60
C) Rs. 65	D) Rs. 70

Answer & Explanation Answer: B) Rs. 60

Explanation:

Let the cost price of a ball is Rs.x
Given, on selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls
The equation is :
17x - 720 = 5x
Solving the equation
we get x = 60
Therefore, cost price of a ball is Rs. 60.

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36 30162

Q:

Select the wrong number from the given series?

6, 12, 20, 32, 42, 56, 72

A) 32	B) 20
C) 72	D) 56

Answer & Explanation Answer: A) 32

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 30130

Q:

Consider the circle as shown in the figure and choose the correct option for this case.

A) QC \|\| PB	B) QC = 1/2 PB
C) QC is never parallel to PB	D) QC \|\| PB, QC = 1/2 PB

Quantitative Aptitude - Arithmetic Ability Questions

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