Quantitative Aptitude - Arithmetic Ability Questions

Q:

A does 30% of a work in 30 days. He then calls in B and they together finish the remaining work in 20 days. How long B alone would take to do the whole work?

A) 40 days B) 80 days
C) 120 days D) 20 days
 
Answer & Explanation Answer: A) 40 days

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: Bank Exams

3 1842
Q:

The sum of money that will yield Rs. 60 as simple interest at 6% per annum in 5 years is

A) 200 B) 225
C) 175 D) 300
 
Answer & Explanation Answer: A) 200

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simple Interest
Exam Prep: Bank Exams

1 1842
Q:

If 5x + 1/x = 10, then x2 + 125x2 is equal to

A) 215 B) 335
C) 315 D) 235
 
Answer & Explanation Answer: B) 335

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1841
Q:

A boy found the answer for the question "Subtract the sum of 1/4 and 1/5 from unity and express the answer in decimals" as 0.45. The percentage of error in his answer was

A) (100/11) % B) 50%
C) 10% D) (200/11)%
 
Answer & Explanation Answer: D) (200/11)%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

0 1841
Q:

Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat?

A) 18 B) 42
C) 50 D) 90
 
Answer & Explanation Answer: C) 50

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

2 1841
Q:

Mr. Mike borrowed Rs. 8500 at 4% per annum C.I. The C.I. compounded annally for 2 years is :

A) Rs. 9139.6 B) Rs. 639.6
C) Rs. 9193.6 D) Rs. 693.6
 
Answer & Explanation Answer: D) Rs. 693.6

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

6 1840
Q:

x, y and z are prime numbers and x + y + z = 38. What is the maximum value of x?

A) 19 B) 23
C) 31 D) 29
 
Answer & Explanation Answer: C) 31

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

4 1840
Q:

In two types of brass, the ratios of Copper to Zinc are 8:3 and 15:7 respectively. If the two types of brass be melted and mixed in the ratio 5:2 a new type of brass is obtained. The ratio of Copper to Zinc in this new type of brass is

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

5 1840