Aptitude and Reasoning Questions

Q:

What is the difference between the compound interests on Rs. 5000 for 11⁄2 years at 4% per annum compounded yearly and half-yearly?

A) Rs. 1.80 B) Rs. 2.04
C) Rs. 3.18 D) Rs. 4.15
 
Answer & Explanation Answer: B) Rs. 2.04

Explanation:

Compound Interest for 1 12 years when interest is compounded yearly = Rs.(5304 - 5000)


Amount after 112 years when interest is compounded half-yearly 


Compound Interest for 1 12 years when interest is compounded half-yearly = Rs.(5306.04 - 5000)


Difference in the compound interests = (5306.04 - 5000) - (5304 - 5000)= 5306.04 - 5304 = Rs. 2.04

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Filed Under: Compound Interest
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Q:

The following question consist of two words each that have a certain relationship to each other, followed by lettered pairs of words.Select the lettered pair that has the same relationship as the original pair of words.

Pedant  :  Erudition

A) Blunt : Politician B) Enemy : Friendly
C) Diplomat : Tactless D) Prude : Modesty
 
Answer & Explanation Answer: D) Prude : Modesty

Explanation:

A pedant is a person who makes a display of erudition ( scholarly learning). Similarly , a prude is a woman who makes display of modesty.

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Filed Under: Analogy

9 5016
Q:

The price of commodity X increases by 60 rupees every year, while the price of commodity Y increases by 20 rupees every year. If in 2002, the price of commodity X was Rs. 320 and that of Y was Rs. 740, in which year commodity X will cost 60 rupees more than the commodity Y ?

A) 2011 B) 2014
C) 2012 D) 2017
 
Answer & Explanation Answer: B) 2014

Explanation:

If After p years , commodity X will cost 60 rupees more than the commodity Y, then

320 + 60p = 740 + 20p + 60
=> p = 12

So in year (2002 + 12 = 2014), commodity X will cost Rs.60 more than the commodity Y.

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams , CAT , GATE
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2 5015
Q:

One-third of the boys and one-half of the girls of a college participated in a sport. If the number of participating students is 300, out of which 100 are boys. What is the total number of students in the college ?

A) 550 B) 575
C) 625 D) 700
 
Answer & Explanation Answer: D) 700

Explanation:

Let number of boys = B

Number of girls = G

From the given data,

1B/3 + 1G/2 = 300

But given B/3 = 100

=> B = 300

G/2 = 300 - 100

G = 200 x 2

=> G = 400

Therefore, total number of students in the college = B + G = 700.

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Filed Under: Percentage
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10 5014
Q:

The office building needs repairing just as urgently as it needs internal as well as external painting

Assumptions:

1. Efficiency of people working in the office cannot be improved unless office building is reapaire

2. Repairing and painting of office building require funds

A) Only 1 is true B) Only 2 is true
C) Either 1 or 2 is true D) Neither 1 nor 2 is true
 
Answer & Explanation Answer: D) Neither 1 nor 2 is true

Explanation:

Nothing can be deduced regarding the effect of reapirs of office building on efficency of workers,or the requirement of funds for repairs,from the given statement.So,neither 1 nor 2 is true

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Filed Under: Statement and Assumptions
Exam Prep: GRE

3 5013
Q:

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

 

Statement :

Kindly check the availability of one ticket from Tumkur to Mangalore.

 

Assumptions :

 

1. The person who is checking knows the mode of transport.

2. The person who is checking knows the passenger who is travelling very well.

 

 

A) Only assumption 1 is implicit B) Only assumption 2 is implicit
C) Either assumption 1 or 2 is implicit D) Both assumptions 1 and 2 are implicit
 
Answer & Explanation Answer: A) Only assumption 1 is implicit

Explanation:
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Filed Under: Statement and Assumptions
Exam Prep: Bank Exams

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Q:

Train K crosses a pole in 30 seconds and train L crosses the same pole in one minute and 20 seconds. The length of train K is three-fourths the length of train L. What is the ratio of the speed of train K to that of train L   ?

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

Explanation:

Given that train K crosses a pole in 30 seconds and train L crosses the same pole in one minute and 15 seconds.

Let the length of train K be Lk and that of train L be Ll

given that Lk = 3/4 Ll

As the train K and L crosses the pole in 30 seconds and 80 seconds respectively,
=> Speed of train K = sk = Lk/30

Speed of train L = sl = Ll/80

Lk = 3/4 Ll
=> sk = 3/4 Ll/(30) = Ll/40

Ratio of their speeds = sk : sl
= Ll/40 : Ll/80

=> 1/40 : 1/80  =  2 : 1

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Filed Under: Problems on Trains
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7 5009
Q:

Which of the following statements is/are TRUE?

I.  235<325<543II.  325<233<745

A) Only I B) Only II
C) Both I and II D) Neither I nor II
 
Answer & Explanation Answer: A) Only I

Explanation:
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