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 1047
Q:

Select the odd letters from the given alternatives.

A) ACE B) FHJ
C) QTW D) KMO
 
Answer & Explanation Answer: C) QTW

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1047
Q:

sinA/(1 + cos A) is equal to

A) (cosecA -­ cotA) B) (cosecA + cotA)
C) √[(cosecA ­- cotA)] D) √[(cosecA + cotA)]
 
Answer & Explanation Answer: A) (cosecA -­ cotA)

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1047
Q:

Shrenik switched on a bulb at 2 : 39 : 40 hours and switched it off on the same day at 12 : 30 : 34 hours. For how long was the bulb in switched-on mode?

A) 9 hours 9 minutes 6 sec B) 12 hours 40 minutes 6 sec
C) 9 hours 50 minutes 54 sec D) 10 hours 9 minutes 6 sec
 
Answer & Explanation Answer: C) 9 hours 50 minutes 54 sec

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Distance
Exam Prep: Bank Exams

2 1047
Q:

In what ratio rice costing Rs 14/kg mixed with another rice costing Rs 11/kg to get the mixture costing Rs 11.6/kg?

 

A) 2 : 5 B) 1 : 4
C) 1 : 3 D) 1 : 5
 
Answer & Explanation Answer: D) 1 : 5

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

5 1047
Q:

If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?

A) 1865.2 B) 2065.2
C) 1965.2 D) 1765.2
 
Answer & Explanation Answer: B) 2065.2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: Bank Exams

1 1047
Q:

Fraction that lies between 2/5 and 4/9 is

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Decimal Fractions
Exam Prep: Bank Exams

5 1047
Q:

How much does one need to add to 2/3 to obtain 3/2?

A) 5/6 B) 1.5/6
C) 1/-1 D) 4/9
 
Answer & Explanation Answer: C) 1/-1

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Decimal Fractions
Exam Prep: Bank Exams

2 1046