Aptitude and Reasoning Questions

Q:

A can do a piece of work in 15 days and B can do it in 16 days and C can do it 24 days. They started the work together and A leaves after 3 days and B leaves after 4 days from the beginning. How long will work lost ?

A) 10 2/3 days B) 13 1/5 days
C) 12 2/3 days D) 11 5/7 days
 
Answer & Explanation Answer: B) 13 1/5 days

Explanation:

3/15 + 4/16 + x/24 = 1

x=1315

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Filed Under: Time and Work
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Q:

A standard deck of playing cards has 13 spades. How many ways can these 13 spades be arranged?

A) 13! B) 13^2
C) 13^13 D) 2!
 
Answer & Explanation Answer: A) 13!

Explanation:

The solution to this problem involves calculating a factorial. Since we want to know how 13 cards can be arranged, we need to compute the value for 13 factorial.

 

13! = (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13) = 6,227,020,800

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Q:

There is a certain relation between two given words on one side of : : and one word is given on another side of : : while another word is to be found from the given alternatives, having the same relation with this word as the given pair has. Select the best alternative Aeroplane:Cockpit::Train:?

A) Wagon B) Coach
C) Compartment D) Engine
 
Answer & Explanation Answer: D) Engine

Explanation:

As the pilot of an aeroplane sits in the cockpit,
the driver of a train works in the engine.

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Q:

Consider the given argument and decide which of the given assumptions is are implicit.

Argument :

During an election, the opposition party said, "look at the price rise in the last five years".

Assumption :

1. This time, give a chance to our party for power
2. Prices will still rise if you choose the same party to be in power

 

A) Both 1 and 2 are implicit B) Only assumption 2 is implicit
C) Neither 1 nor 2 is implicit D) Only assumption 1 is implicit
 
Answer & Explanation Answer: A) Both 1 and 2 are implicit

Explanation:
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Filed Under: Statement and Assumptions
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Q:

The G.C.D of 1.08, 0.36 and 0.9 is

A) 0.9 B) 0.36
C) 0.18 D) 1.08
 
Answer & Explanation Answer: C) 0.18

Explanation:

G.C.D is nothing but H.C.F

 

Given numbers are 1.08 , 0.36 and 0.90

 

we can take as 108, 36 and 90 

 

Then required H.C.F is 18.

 

Therefore, H.C.F of given numbers is 0.18.

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Q:

1422 ÷ 1260.25 = ?

A) 586 B) 578
C) 568 D) 566
 
Answer & Explanation Answer: C) 568

Explanation:

142 x 142 x 11260.25

 

=> 142 x 142 x 135.5  = 568

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Filed Under: Simplification
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Q:

Consider the argument and decide which of the given assumptions is/are implicit.

Argument :

A top university has reduced the syllabus of Mathematics in Class 12.

Assumptions:

1. Students can score more marks than before in Mathematics.
2. This has been done to reduce the stress and burden of the students in Mathematics.

 

A) Only assumption 2 is implicit B) Both 1 and 2 are implicit
C) Only assumption 1 is implicit D) Neither 1 and 2 is implicit
 
Answer & Explanation Answer: A) Only assumption 2 is implicit

Explanation:
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Q:

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?

A) 145 B) 165
C) 175 D) 135
 
Answer & Explanation Answer: C) 175

Explanation:

Given that,

 working days = 5

 working hours = 8

 A man get rupess per hour is Rs.2.40

 So in one day the man get total rupees is 2.40 x 8 = 19.2

 So in 5 days week the man get total rupees is 19.2 x 5 = 96

 So in 4 week the man get total rupees is 96 x 4 = 384

 So the man worked for = 160hours in 4 weeks

 

 But given that the man earned Rs.432

 

 Hence remaning money is (432-384 = 48)which is earn by doing overtime work

 


Overtime hours  = 48/3.20 = 15


So total worked hours is = 15 + 160 = 175.

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Filed Under: Time and Work
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