Aptitude and Reasoning Questions

Q:

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:

A) Rs 14000 B) Rs 3500
C) Rs 7000 D) Rs 5600
 
Answer & Explanation Answer: C) Rs 7000

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If cosecA - cotA = x, then the value of x is

A) sinA/(1 - cosA) B) √[sinA/(1 + cosA)
C) sinA/(1 + cosA) D) √[sinA/(1 - cosA)]
 
Answer & Explanation Answer: C) sinA/(1 + cosA)

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Q:

ABC is right angled at B. If mA = 30°, then find the value of (sinC + 1/3).

A) 4/3 B) (√3+1)/2
C) (√3+2)/√3 D) (3√3+2)/6
 
Answer & Explanation Answer: D) (3√3+2)/6

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If cot(A/2) = x, then the value of x is

A) cosecA -­ cotA B) cosecA + cotA
C) secA + cotA D) secA -­ cotA
 
Answer & Explanation Answer: B) cosecA + cotA

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If sin π/6 + sec π/6 = x, then x is

A) (2√2-1)/2 B) 5/√3
C) (√6-1)/√2 D) (√3+4)/2√3
 
Answer & Explanation Answer: D) (√3+4)/2√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The table given below shows the number of students who were absent and percentage of students who were present in the given two examinations from five different schools. The table also shows the percentage of students who were present in the Biology and Physics examination respectively.

What is the average of the number of the students who were present in Physics examination from school N, K and L?

A) 109635 B) 84632
C) 74365 D) No answer
 
Answer & Explanation Answer: D) No answer

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Filed Under: Table Charts
Exam Prep: Bank Exams

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Q:

614% of 1600 + 1212% of 800 is equal to

A) 100 B) 200
C) 300 D) 400
 
Answer & Explanation Answer: B) 200

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl? (Take:  = 22/7)

A) 710.29 B) 757.43
C) 355.14 D) 908.91
 
Answer & Explanation Answer: B) 757.43

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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