Aptitude and Reasoning Questions

Q:

If 2cosec2A = x, then the value of x is

A) 1/(1 - cosecA) - 1/(1 + cosecA) B) 1/(1 + sinA) + 1/(1 - tanA)
C) 1/(1 + cosA) + 1/(1 - cosA) D) 1/(1 - tanA) - 1/(1 + sinA)
 
Answer & Explanation Answer: C) 1/(1 + cosA) + 1/(1 - cosA)

Explanation:
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Filed Under: Simplification
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Q:

The average (arithmetic mean) amount of savings of ten students is Rs. 600. Three of the students have no savings at all and each of the others have at least Rs. 250 including Nihar, who has exactly Rs. 1300. The largest amount, in Rs., that any one student could have is

A) 3250 B) 3450
C) 3650 D) 3850
 
Answer & Explanation Answer: B) 3450

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Filed Under: Average
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Q:

A student has to secure 35% marks to pass in a subject. If he gets 82 and fails by 23 marks. What is the maximum marks of the subject?

A) 300 B) 250
C) 350 D) 400
 
Answer & Explanation Answer: A) 300

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The original price of a TV set is Rs. 6,000. If the price is discounted by 20% and then raised by 10% for service contract, the price charged by the shopkeeper is

A) Rs. 5400 B) Rs. 5280
C) Rs. 5100 D) Rs. 4200
 
Answer & Explanation Answer: B) Rs. 5280

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Filed Under: Percentage
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Q:

If 23 x 16 = 184, 37 x 10 = 185, then 85 x 12 = ?

A) 511 B) 610
C) 510 D) 410
 
Answer & Explanation Answer: C) 510

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Filed Under: Coding and Decoding
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Q:

In a certain town of population size 1,00,000 three types of newspapers (I, II and III) are available. The percentages of the people in the town who read these papers are as follows:


What is the number of people who read only one newspaper?

A) 20,000 B) 25,000
C) 30,000 D) 35,000
 
Answer & Explanation Answer: A) 20,000

Explanation:
 
The number of people who read only I , only II and only II are
1 % + 19% + 0% = 20% of total population = 20/100 *
100000 = 20000
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Filed Under: Table Charts
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Q:

An equilateral triangle ABC is inscribed in a circle of radius 20√3.
What is the length of the side of the triangle?

A) 30 cm B) 40 cm
C) 50 cm D) 60 cm
 
Answer & Explanation Answer: D) 60 cm

Explanation:
Radius of circumcircle of an equilateral triangle = side /√3
R = a/√3
a = R√3 = 20√3 *√3 = 60cm
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Filed Under: Volume and Surface Area
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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
l m _ o _ n m _ l _ n _ _ n m l

A) molnon B) nolmoo
C) nomloo D) noolmm
 
Answer & Explanation Answer: B) nolmoo

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Filed Under: Alphabet Test
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