Aptitude and Reasoning Questions

Q:

Choose the number which is different from others in the group?

A) 183 B) 137
C) 121 D) 231
 
Answer & Explanation Answer: C) 121

Explanation:

121 is the only perfect square number in the group.

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Q:

Four person A, B, C and D. The sum of their present age is 176. Four years ago ratio of their age was 11: 9 : 6 : 14, then find who is eldest and youngest among them ?

A) A is eldest & C is youngest B) D is eldest & C is youngest
C) C is eldest & A is youngest D) A is eldest & B is youngest
 
Answer & Explanation Answer: B) D is eldest & C is youngest

Explanation:

Given sum of present ages of A, B, C & D

A + B + C + D = 176

and also given that,

(A-4) : (B-4) : (C-4) : (D-4) = 11 : 9 : 6 : 14

Let the ratio = x

=> A-4 + B-4 + C-4 + D-4 = 11x + 9x + 6x + 14x

=> (A + B + C + D ) - 16 = 40x

=> 176 - 16 = 40x

=> x = 4

=> A = 44 + 4 = 48

=> B = 40

=> C = 28

=> D = 60

Therefore, from the above conclusions

D is eldest with 60 years and C is youngest with 28 years of ages.

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Filed Under: Problems on Ages
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Q:

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

 


Statement I: All napkins are towels


Statement II: All rags are napkins


Conclusion I: Some towels are rags


Conclusion II: All rags are towels

 

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

Explanation:
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Filed Under: Statement and Conclusions
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Q:

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

Argument :
X advised Y that if he/she wants to study Management, he/she should join IIM.

Assumption :
1. IIM provides good Management education.
2. X listens to the advice given by Y.

 

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

Explanation:
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0 7449
Q:

Assertion(A) : The steam engine was invented by James Watt.
Reason(R) : There was a problem of taking out water from flooded mines.

A) R correctly explains A B) R is true but A is fale
C) A is true but R is false D) Both A and R are false
 
Answer & Explanation Answer: A) R correctly explains A

Explanation:

The problem of pumping out water from the flooded mines provided the need of self-working engine, which led James Watt to invent the same.
Thus, both A and R are true & R correctly explains A.

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Filed Under: Assertion and Reason
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Q:

12 year old Manish is three times as old as his brother Rajeev. How old will Manish be when he is twice as old as Rajeev ?

A) 12 yrs B) 14 yrs
C) 16 yrs D) 18 yrs
 
Answer & Explanation Answer: C) 16 yrs

Explanation:

12 year old Manish is three times as old as his brother Rajeev who must be 4 years old.
Diff in ages = 8 years.
when Rajeev will become 8 years old, Manish will be 16 yrs old and he will be twice as old as Rajeev.

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Filed Under: Problems on Ages
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Q:

A man spend 20% of his monthly salary on his children's education and 50% of his salary on food and transport. After Paying the rent of Rs.1000, he is left with Rs.2000. What is his monthly salary?

A) 7000 B) 10000
C) 14000 D) 20000
 
Answer & Explanation Answer: B) 10000

Explanation:

Let his monthly salary be 'P'

20% on children's education = 20P100 = P5

50% on food and transport = 50P100 = P2

1000 on rent

=> P - P5 - P2 - 1000 = 2000=> 3P = 30000=> P = 10000

 

Therefore, his monthly salary = Rs. 10,000

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Filed Under: Percentage
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4 7435
Q:

Consider the given statement as true and decide which of the given conclusions can definitely be drawn from the given statements.


Statement:


No dog is a cat.

Some cats are rats.

All rats are pigs.


Conclusions:


1. All dogs are rats


2. All pigs are rats


3. Some pigs are cats


4. No pig is a dog

 

A) Only Conclusion 4 follows B) Only Conclusion 3 follows
C) Only Conclusion 1 and 3 follows D) Only Conclusion 1 and 2 follows
 
Answer & Explanation Answer: B) Only Conclusion 3 follows

Explanation:
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