Aptitude and Reasoning Questions

Q:

If 90% of A = 30% of B and B = x% of A, find x.

A) 600 B) 900
C) 300 D) 1200
 
Answer & Explanation Answer: C) 300

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Filed Under: Percentage
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Q:

The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is

A) 81 m B) 80 m
C) 75 m D) 72 m
 
Answer & Explanation Answer: D) 72 m

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Filed Under: Area
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Q:

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?

A) 16 B) 12
C) 8 D) 6
 
Answer & Explanation Answer: C) 8

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Filed Under: Area
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Q:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

-0.5, -0.35, -0.2, -0.05, ? , 0.25

A) -0.1 B) 0.1
C) 0.15 D) -0.15
 
Answer & Explanation Answer: B) 0.1

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Filed Under: Number Series
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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

?, HI, OP, WX

A) AB B) BC
C) DE D) EF
 
Answer & Explanation Answer: B) BC

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Filed Under: Alphabet Test
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Q:

In the following question, select the odd number from the given alternatives.

A) 145 B) 463
C) 581 D) 651
 
Answer & Explanation Answer: B) 463

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Filed Under: Odd Man Out
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Q:

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

A) p+q2 B) 1p+1q
C) pqp+q D) Pq
 
Answer & Explanation Answer: C) pqp+q

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Filed Under: Time and Work
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Q:

In the question given below, a statement is given followed by three courses of action. A course of action is taken for improvement, follow up, etc. Read the statement carefully and give your answer.

Statement:
A knife-wielding assailant killed a 29- year-old man and injured four others in a lively neighbourhood near Paris’ famed Opera Garnier before he was killed by police on Saturday night.

Courses of Action:
I. The government should ban the sale of knives in all major cities.
II. Any person seen carrying a knife should be immediately taken into police custody.
III. Policemen should be posted near all major tourist spots to avoid such untoward incidents.

A) Only course of action I follows B) Only course of action II follows
C) Both I and II follow D) Both II and III follow
 
Answer & Explanation Answer:

Explanation:

None of the courses of action follow. Banning the sale of knives just because one particular knife-wielding assailant went on a rampage makes no sense. Similarly, taking into police custody all those who are seen carrying knives is not something practical. Knives can be used for so many other purposes not involving the killing/harming of people. Finally, it is not a realistic expectation that posting policemen in all major tourist spots would reduce or altogether stop instances of such occurrences. Therefore, option E is the correct answer.

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