Aptitude and Reasoning Questions

Q:

3, 6, 17.5, 64.75, ?

A) 304.587 B) 295.875
C) 115.246 D) 101
 
Answer & Explanation Answer: B) 295.875

Explanation:

3

3 x 1.5 + 1.5 = 6

6 x 2.5 + 2.5 = 17.5

17.5 x 3.5 + 3.5 = 64.75

64.75 x 4.5 + 4.5 = 295.875

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Filed Under: Number Series
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24 5132
Q:

Reptile is to Lizard as Flower is to

A) Orchids B) Stem
C) Leaf D) Petal
 
Answer & Explanation Answer: A) Orchids

Explanation:

Here Lizard is a type of Reptiles whereas Orchid is a type of flowers. Other than Orchids all are parts of Plants.

 

Hence, Reptile is to Lizard as Flower is to Orchids.

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Filed Under: Analogy
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Q:

Out of sixty students, there are 14 who are taking Economics and 29 who are taking Calculus. What is the probability that a randomly chosen student from this group is taking only the Calculus class ?

A) 8/15 B) 7/15
C) 1/15 D) 4/15
 
Answer & Explanation Answer: B) 7/15

Explanation:

Given total students in the class = 60
Students who are taking Economics = 24 and
Students who are taking Calculus = 32
Students who are taking both subjects = 60-(24 + 32) = 60 - 56 = 4
Students who are taking calculus only = 32 - 4 = 28
probability that a randomly chosen student from this group is taking only the Calculus class = 28/60 = 7/15.

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Filed Under: Probability
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Q:

The following questions are based on the information given below:

 

An advertising agency finds that, of its 170 clients, 115 read Indian Express, 110 read The Hindu and 130 read Times of India. Also 85 read Indian Express and Times of India, 75 read Indian Express and The Hindu, 95 read The Hindu and Times of India and 70 read all the three.

 

How many read Indian Express and Times of India but not The Hindu?

A) 10 B) 20
C) 15 D) 30
 
Answer & Explanation Answer: C) 15

Explanation:
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Filed Under: Logical Venn Diagram
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2 5128
Q:

At what rate percent on simple interest will Rs.415 amount to Rs.514 in 4 years  ?

A) 4.58 % B) 5.96 %
C) 6.52 % D) 4.98 %
 
Answer & Explanation Answer: B) 5.96 %

Explanation:

Difference in amount = 514 - 415 = 99

99 = (415 x 4 x R)/100

R = 5.96%

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Filed Under: Simple Interest
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Q:

Study the bar chart and answer the questions based on it.

 

Production of Pesticides by Coromandal International Ltd. Company (in 1000 tonnes)

 

 

In which year was the percentage increase in production as compared to the previous year the maximum?

A) 2002 B) 2001
C) 1997 D) 1996
 
Answer & Explanation Answer: D) 1996

Explanation:
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Filed Under: Bar Charts
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Q:

Namitha sold a powerbank which is at the cost of Rs. 1950 at a loss of 25%. Find at what cost will she have to sell it to get a profit of 25%?

A) Rs. 3680 B) Rs. 3560
C) Rs. 3320 D) Rs. 3250
 
Answer & Explanation Answer: D) Rs. 3250

Explanation:

Let the Cost price of the powerbank = Rs. P

But given that by selling it at Rs. 1950, it gives a loss of 25%

=> P x 75100 = 1950
=>P = 1950 x 10075 = Rs. 2600
Now, to get a profit of 25%

Selling Price = 2600 x 125100 = Rs. 3250.

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Filed Under: Profit and Loss
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Q:

The length of two superfast trains are 140 mts and 160 mts respectively. If they run at the speed of 60 km/hr and 80 km/hr respectively in opposite direction, find the time in which they will cross each other ? 

A) 7.71 sec B) 10.48 sec
C) 9.36 sec D) 8.45 sec
 
Answer & Explanation Answer: A) 7.71 sec

Explanation:

Given L1 = 140 m

L2 = 160 m

S1 = 60 km/hr

S2 = 80 km/hr

From the question we get,

S1 + S2 = (L1 + L2) / T

=> (60 + 80) 5/18 m/s = 140 + 160/T

=> T = 54/7 = 7.71 sec

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Filed Under: Problems on Trains
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