Aptitude and Reasoning Questions

Q:

If cot2A -­ cos2A = x, then value of x is

A) tan2Asec2A B) cotAcosA
C) cot2Acos2A D) tanAsecA
 
Answer & Explanation Answer: C) cot2Acos2A

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 2090
Q:

In a row of boys, Punit’s position from the left end is 33rd and Ankit’s position from the right end is 25th. After interchanging their position, Punit’s position becomes 45th from the left end. How many boys are there in the row?

A) 70 B) 71
C) 69 D) 74
 
Answer & Explanation Answer: C) 69

Explanation:
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Q:

Profit obtained on selling an article for Rs 540 is equal to the loss incurred on selling the article for Rs 370. If selling price is Rs. 910, then what is the profit percentage?

A) 25 B) 33
C) 50 D) 100
 
Answer & Explanation Answer: D) 100

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A rice trader buys 20 quintals of rice for Rs 8,580. However, 22% rice is lost in transportation. At what rate should he sell to earn 20% profit?

A) Rs 278.8 per quintal B) Rs 514.8 per quintal
C) Rs 660 per quintal D) Rs 654.2 per quintal
 
Answer & Explanation Answer: C) Rs 660 per quintal

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?

A) 12 days B) 4 days
C) 8 days D) 16 days
 
Answer & Explanation Answer: C) 8 days

Explanation:
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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE

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Q:

By selling cloth at Rs. 9 per metre , a shopkeeper loses 10% . Find the rate at which it should be sold so as to earn profit of 15%

A) Rs.11.20 B) Rs.11.30
C) Rs.11.40 D) Rs.11.50
 
Answer & Explanation Answer: D) Rs.11.50

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
Y > A < N, Y = B <P
Conclusion:
I. P > A
II. N > B

A) If only conclusion I follow. B) If only conclusion II follow.
C) If either conclusion I or conclusion II follows. D) If neither conclusion I nor II follows.
 
Answer & Explanation Answer: A) If only conclusion I follow.

Explanation:

Y > A < N, Y = B <P
P > B = Y > A < N
For conclusion I -
P > B = Y > A
P > Y > A
I. P > A (True) P is greater than A is true.
For conclusion II -
B = Y > A < N
II. N > B (false) There is no relation between N and B.
Hence, only conclusion I follow.

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Filed Under: Coding and Decoding
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

A race has three parts. The speed and time required to complete the individual parts for a runner is displayed on the following chart:
                       

                         Part I     Part II       Part III

Speed (kmph)       9            8              7.5

Time (minutes)     50          80             100

What is the average speed of this runner?

A) 8.17 kmph B) 8.00 kmph
C) 7.80 kmph D) 7.77 kmph
 
Answer & Explanation Answer: B) 8.00 kmph

Explanation:

Avg speed = Tot dist/Tot time = (45+64+75)/23 = 184/23

= 8 kmph
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Filed Under: Time and Distance
Exam Prep: Bank Exams

3 2086