Quantitative Aptitude - Arithmetic Ability Questions

Q:

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

A) 50% B) 25%
C) 100% D) 75%
 
Answer & Explanation Answer: B) 25%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Probability
Exam Prep: Bank Exams

0 1366
Q:

Which of the following is correct?

A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2 B) (4x + 5y)(5x - 4y) = 20x2 + 41xy - 20y2
C) (4x + 5y)(5x - 4y) = 20x2 - 9xy + 20y2 D) (4x + 5y)(5x - 4y) = 20x2 - 41xy + 20y2
 
Answer & Explanation Answer: A) (4x + 5y)(5x - 4y) = 20x2 + 9xy - 20y2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1366
Q:

The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?

A) 23 B) 17
C) 20 D) 26
 
Answer & Explanation Answer: C) 20

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1366
Q:

For triangle ABC, find equation of median AD if co­ordinates of points A, B and C are (2,­4), (3,0) and (5,­2) respectively?

A) 3x ­- 2y = 14 B) 3x -­ 2y = 2
C) 3x + 2y = 14 D) 3x + 2y = 2
 
Answer & Explanation Answer: A) 3x ­- 2y = 14

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 1366
Q:

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1365
Q:

What is the equation of the line which has 3/2 and -­4/7 as x and y intercept respectively?

A) 8x ­- 21y = ­-12 B) 8x + 21y = 14
C) 8x -­ 21y = 12 D) 8x + 21y = ­-14
 
Answer & Explanation Answer: C) 8x -­ 21y = 12

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1365
Q:

Find the odd word/letter/number from the given alternatives

A) AG B) WA
C) ET D) IQ
 
Answer & Explanation Answer: C) ET

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1365
Q:

A certain sum of money becomes double of itself in 15 years at a rate of simple interest. In how many years will it become 5 times of itself at the same rate of simple interest

A) 45 B) 37.5
C) 75 D) 60
 
Answer & Explanation Answer: D) 60

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest

3 1365