Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the perimeter of a semicircle is 36 cm, then find its area (in cm2).

A) 154 B) 35
C) 77 D) 70
 
Answer & Explanation Answer: C) 77

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 1149
Q:

What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

A) 140 B) 480
C) 240 D) 440
 
Answer & Explanation Answer: A) 140

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 1148
Q:

Which of the following quadratic equations has real roots?

A) 3x2 -­ 5x + 2 = 0 B) 3x2 -­ 4x + 2 = 0
C) 4x2 -­ 3x + 2 = 0 D) 5x2 -­ 2x + 2 = 0
 
Answer & Explanation Answer: A) 3x2 -­ 5x + 2 = 0

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1148
Q:

If sinC + sinD =X, then the value of X is?

A) 2cos[(C+D)/2]sin[(C-D)/2] B) 2sin[(C+D)/2]cos[(C-D)/2]
C) 2cos[(C+D)/2]cos[(C-D)/2] D) 2sin[(C+D)/2]sin[(D-C)/2]
 
Answer & Explanation Answer: B) 2sin[(C+D)/2]cos[(C-D)/2]

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

0 1148
Q:

A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: Bank Exams

2 1148
Q:

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

A) 6300 B) 4200
C) 4900 D) 5100
 
Answer & Explanation Answer: D) 5100

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

2 1148
Q:

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

A) 20 B) 15
C) 25 D) 10
 
Answer & Explanation Answer: A) 20

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: Bank Exams

1 1147
Q:

If a sum of money doubles itself in 8 yrs, then the interest rate in percentage is ?

A) 8 1⁄2% B) 10%
C) 10 1⁄2 % D) 12 1⁄2 %
 
Answer & Explanation Answer: D) 12 1⁄2 %

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1147