Quantitative Aptitude - Arithmetic Ability Questions

Q:

If a + b = ­ 8 and a2 + b2 = 34, then value of ab is

A) 30 B) 64
C) 98 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1771
Q:

A can paint a house in 55 days and B can do it in 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?

A) 24 B) 44
C) 33 D) 20
 
Answer & Explanation Answer: D) 20

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: Bank Exams

0 1769
Q:

A wholesaler sells a jacket to a retailer at a profit of 25% and the retailer sells it to a customer at a profit of 20%. If the customer pays Rs. 2,400, what had it cost (in Rs) the wholesaler?

A) 2000 B) 1600
C) 1800 D) 2250
 
Answer & Explanation Answer: B) 1600

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 1768
Q:

The average age of a class of 6 girls is x years. Four new girls having ages x – 2, x + 2, x + 4 and x + 6 joins the class. What is the new average age (in years) of the class?

A) x + 1 B) x + 2
C) 2.5x D) x + 2.5
 
Answer & Explanation Answer: A) x + 1

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Ages
Exam Prep: Bank Exams

3 1768
Q:

Select the odd letters from the given alternatives.

A) XWV B) RQP
C) HFE D) MLK
 
Answer & Explanation Answer: C) HFE

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 1768
Q:

A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?

A) 1011.11 percent B) 45.5 percent
C) 91 percent D) 505.56 percent
 
Answer & Explanation Answer: C) 91 percent

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

1 1768
Q:

The number 3521is divided by 8. What is the remainder?

A) 1 B) 3
C) 7 D) 9
 
Answer & Explanation Answer: B) 3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

5 1767
Q:

If √(1 - sin2A) = x, then the value of x is

A) tanA B) cosA
C) cosecA D) secA
 
Answer & Explanation Answer: B) cosA

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 1767