Aptitude and Reasoning Questions

Q:

The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is  ?

A) 3 years B) 4 years
C) 2.5 years D) 2 years
 
Answer & Explanation Answer: B) 4 years

Explanation:

P1+20100n > 2P 

 

 

 

Now, (6/5 x 6/5 x 6/5 x 6/5) > 2.

 

 

 

So, n = 4 years.

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Filed Under: Compound Interest
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Q:

When John arrives in New York,he has eight stops to see, but he has time only to visit six of them.In how many different ways can he arrange his schedule in New York?

A) 20610 B) 24000
C) 20160 D) 21000
 
Answer & Explanation Answer: C) 20160

Explanation:

He can arrange his schedule in 8P6 = 20160 ways

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Q:

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

 

Argument :

" A visit of school students to botanical garden to widen their knowledge of natural resources has been arranged" - a message on the notice board in the school.

 

Assumptions :

1. Botanical gardens are full of natural resources.
2. School students are likely to learn more through interaction with the new environment.

 

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

Explanation:
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Filed Under: Statement and Assumptions
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Q:

Hooke is related to cells in the same way as Mulder is related to

A) Carbohydrates B) Minerals
C) Vitamins D) Proteins
 
Answer & Explanation Answer: D) Proteins

Explanation:

Hooke dicovered the Cells. Similarly, Mulder discovered the protiens. 

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Filed Under: Analogy

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Q:

The Simple Interest & True Discount on a certain sum of money for a given time & at a given rate are Rs 85 & Rs.80.The sum is:

A) Rs.1350 B) Rs.1360
C) Rs.1316 D) Rs.1200
 
Answer & Explanation Answer: B) Rs.1360

Explanation:

Sum = [(S.I x T.D)/(S.I-T.D)] = (85 x 80)/(85-80) = Rs.1360

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Filed Under: True Discount

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Q:

One card is drawn from a pack of 52 cards,each of the 52 cards being equally likely to be drawn.Find the probability that the ball drawn is an ace :

A) 1/13 B) 1/12
C) 1/14 D) 1/15
 
Answer & Explanation Answer: A) 1/13

Explanation:

Total number of events=52

Number of aces =4

So,required probability = 4/52 =1/13

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Filed Under: Probability

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Q:

Present ages of Deepa and Hyma are in the ratio of 5:6 respectively. After four years, this ratio becomes 6: 7. What is the difference between their present ages?

A) 6 yrs B) 4 yrs
C) 8 yrs D) 2 yrs
 
Answer & Explanation Answer: B) 4 yrs

Explanation:

Let the present age of Deepa = 5p

Let the present age of Hyma = 6p

After four years their ratio = 6 : 7

=> 5p + 46p + 4 = 67

=> 35p + 28 = 36p + 24

=> p = 4

Therefore, the difference between their ages = 24 - 20 = 4 years.

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Filed Under: Problems on Ages
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Q:

72 ÷ 52 × 3272 ÷ 52 of 32 ÷ 5.25

A) 3/5 B) 3/6
C) 3/7 D) 3/8
 
Answer & Explanation Answer: C) 3/7

Explanation:

75x321415 ÷ 52510094 ÷ 5251009002100= 37

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Filed Under: Simplification
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