6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Without any stoppage, a person travels a certain distance at an average speed of 42 km/h, and with stoppages he covers the same distance at an average speed of 28 km/h. How many minutes per hour does he stop?

A) 15 minutes	B) 20 minutes
C) 18 minutes	D) 22 minutes

Answer & Explanation Answer: B) 20 minutes

Explanation:

Let the total distance to be covered is 84 kms.
Time taken to cover the distance without stoppage = 84/42 hrs = 2 hrs
Time taken to cover the distance with stoppage = 84/28 = 3 hrs.
Thus, he takes 60 minutes to cover the same distance with stoppage.
Therefore, in 1 hour he stops for 20 minutes.

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27 25831

Q:

The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence.

Answer

Given that, A+B = 60 and A = 2B.

Solving, We get A = 40, B = 20.

Five years their ages will be 45 and 25, so the sum of their ages will be 70.

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Subject: Problems on Ages

71 25798

Q:

The calendar for the year 2007 will be the same for the year

A) 2014	B) 2016
C) 2017	D) 2018

Answer & Explanation Answer: D) 2018

Explanation:

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126 25774

Q:

A starts business with Rs. 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B's contribution in the capital?

A) Rs. 7500	B) Rs. 8000
C) Rs. 8500	D) Rs. 9000

Answer & Explanation Answer: D) Rs. 9000

Explanation:

Let B's capital be Rs. x.

Then, $[\frac{3500 \times 12}{7 x} = \frac{2}{3}]$

=> 14x = 126000

=> x = 9000.

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23 25765

Q:

Find the odd statement : Two lines are perpendicular to each other if they are,

A) Adjacent sides of a rectangle	B) Diagonals of a rhombus
C) Hypotenuse and one side of a right-angle triangle	D) Adjacent sides of a square

Answer & Explanation Answer: C) Hypotenuse and one side of a right-angle triangle

Explanation:

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0 25685

Q:

The second day of a month is Sunday, What will be the last day of the next month which has 31 days ?

A) Friday	B) Saturday
C) Sunday	D) Can't be determined

Answer & Explanation Answer: D) Can't be determined

Explanation:

We cannot find out the answer because the number of days of the current month is not given.

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Q:

The ratio of the area of a square to that of the square drawn on its diagonal is

A) 1:2	B) 2;3
C) 3:1	D) 4:1

Answer & Explanation Answer: A) 1:2

Explanation:

ratio = $\frac{a^{2}}{{(\sqrt{2 a})}^{2}}$

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75 25577

Q:

If the manufacturer gains 10 %, the wholesale dealer 15 % and the retailer 25 %, then find the cost of production of a table if the retail price was Rs 1265

A) Rs. 750	B) Rs. 800
C) Rs. 850	D) Rs. 900

Answer & Explanation Answer: B) Rs. 800

Explanation:

Let the cost of Production = Rs. P

Then, as per question,

$\Rightarrow (\frac{125}{100} \times \frac{115}{100} \times \frac{110}{100} \times P)$ =1265

Quantitative Aptitude - Arithmetic Ability Questions

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