Quantitative Aptitude - Arithmetic Ability Questions

Q:

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in

A) 24 days B) 20 days
C) 18 days D) 25 days
 
Answer & Explanation Answer: A) 24 days

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: Bank Exams

3 1681
Q:

3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?

A) 45 B) 30
C) 15 D) 48
 
Answer & Explanation Answer: D) 48

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Average
Exam Prep: Bank Exams

0 1681
Q:

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

A) 14/83 B) 83/14
C) 90/83 D) 83/90
 
Answer & Explanation Answer: A) 14/83

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1680
Q:

If {12(a-b)}2+ab=p(a+b)2, then the value of p is 

A) p = 4 B) p = 1
C) p = 0 D) p = 2
 
Answer & Explanation Answer: A) p = 4

Explanation:
Report Error

View Answer Report Error Discuss

0 1680
Q:

Robin can do a work in 10 hours. Pradeep and Robin together can do the same work in 4 hours. Pradeep and Nitin together can do the samework in 5 hours. In how many hours Nitin alone can complete the same work?

A) 12 B) 15
C) 18 D) 20
 
Answer & Explanation Answer: D) 20

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Work

2 1680
Q:

Raghuram sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 53 lakh, his gain would have been 7 times the former loss. Find the cost price of the machine.

A) Rs 51.75 lakhs B) Rs 59.14 lakhs
C) Rs 36.75 lakhs D) Rs 44.25 lakhs
 
Answer & Explanation Answer: D) Rs 44.25 lakhs

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 1680
Q:

When a number is increased by 18, it becomes 106% of itself. What is the number?

A) 300 B) 216
C) 270 D) 162
 
Answer & Explanation Answer: A) 300

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

0 1680
Q:

If 2r = h + r2+h2, then the ratio of r:h is

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1680