Aptitude and Reasoning Questions

Q:

In an army selection process, the ratio of selected to unselected candidates was 9:2. If 80 less had applied and 20 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

A) 6160 B) 1540
C) 3080 D) 9240
 
Answer & Explanation Answer: C) 3080

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Filed Under: Ratios and Proportions
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

In a class there were 28 boys and some girls. In a test the mean score obtained by the boys was 12.5 while that obtained by the girls was 14.5. If the overall average was 13.1, what was the total number of students in the class?

A) 42 B) 44
C) 40 D) 38
 
Answer & Explanation Answer: C) 40

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Prahlad has done 1/3rd of a job in 30 days, Sarfaraz completes the rest of the job in 90 days. In how many days can they together do the job?

A) 27 days B) 18 days
C) 54 days D) 36 days
 
Answer & Explanation Answer: C) 54 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If cot A = n/(n + 1) and cot B = 1/(2n + 1), then what is the value of cot (A + B)?

A) -1 B) 0
C) 1 D) 2
 
Answer & Explanation Answer: A) -1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the angle subtended by the radius of the circle and vertex B of the triangle ABC is 400. Then calculate the value of BAC

A) 350 B) 450
C) 500 D) 650
 
Answer & Explanation Answer: C) 500

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Q:

Manish, Mukesh and Sachin are Accountants. Mukesh can filea return in 5 hours and Sachin in 4 hours alone. All three together can do it in 2 hours. In what time (in hrs) will Manish do the work?

A) 15 B) 20
C) 17 D) 10
 
Answer & Explanation Answer: B) 20

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Among four boys, age of Ashish is thrice the age of Varun. Age of Arvind is 1/2 of the age of Varun. Amit is 8 years elder to Varun, but 8 years younger to Ashish. Who is the second eldest?

A) Amit B) Ashish
C) Arvind D) Varun
 
Answer & Explanation Answer: A) Amit

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

In the given figure, a circle touches the sides of the quadrilateral PQRS. The radius of the circle is 9 cm. RSP = SRQ = 60 deg and PQR = QPS = 120 deg. What is the perimeter (in cm) of the quadrilateral?

A) 36√3 B) 24√3
C) 48√3 D) 32
 
Answer & Explanation Answer: C) 48√3

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Filed Under: Simplification
Exam Prep: Bank Exams

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