Quantitative Aptitude - Arithmetic Ability Questions

Q:

Calculate the principal if an amount of Rs. 441 is received on compound interest at the rate of 5% per annum after 2 years.

 

A) Rs.400 B) Rs.390
C) Rs.380 D) Rs.350
 
Answer & Explanation Answer: A) Rs.400

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

3cosA is equal to

A) 4cos3A + 3cosA B) 4cos3A - 3cosA
C) 3cos3A + 3cosA D) 3cos3A - 3cosA
 
Answer & Explanation Answer: B) 4cos3A - 3cosA

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If  a+1/a = 3, then a3+1a3?

A) 12 B) 18
C) 9 D) 6
 
Answer & Explanation Answer: B) 18

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What percentage of 1 day is 18 minutes?

A) 7.5% B) 1.25%
C) 12.5% D) 1.8%
 
Answer & Explanation Answer: B) 1.25%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is

A) Rs.18250 B) Rs.16200
C) Rs.18000 D) Rs.16250
 
Answer & Explanation Answer: B) Rs.16200

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Point A divides segment BC in the ratio 5:1. Co-ordinates of B are (6 ,-4) and C are (0,8). What are the co-ordinates of point A?

A) (-1 , 6) B) (1 , -6)
C) (-1 , -6) D) (1 , 6)
 
Answer & Explanation Answer: D) (1 , 6)

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

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Q:

The line segment AB intersects the straight line CD at B; AB will be smallest when ∠ ABD (in degrees) is

A) 30 B) 60
C) 90 D) 45
 
Answer & Explanation Answer: C) 90

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

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Q:

What is the value of (tan45° + 1/√2) ?

A) 5/√3 B) 7/2√3
C) (√2+1)/√2 D) 4/√3
 
Answer & Explanation Answer: C) (√2+1)/√2

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