Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average of 41 consecutive odd numbers is 49. What is the largest number.

A) 89 B) 91
C) 93 D) 95
 
Answer & Explanation Answer: A) 89

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Average
Exam Prep: Bank Exams

1 2192
Q:

If A = 232, B = 231+ 230+ 229+ ... + 20and C = 315+ 314+ 313+ ... + 30, then which of the following option is TRUE?

A) C > B > A B) C > A > B
C) A > B > C D) A > C > B
 
Answer & Explanation Answer: B) C > A > B

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

0 2191
Q:

A student multiplied a number by 4/7 instead of 7/4. What is the percentage error in the calculation?

A) 206.25 percent B) 67.35 percent
C) 33.67 percent D) 103.13 percent
 
Answer & Explanation Answer: B) 67.35 percent

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

1 2189
Q:

The quadratic equation 1+a2x2+2abx+b2-c2=0 has only one root. What is the value of c21+a2 ?

A) a2 B) b2
C) c2 D) ab
 
Answer & Explanation Answer: B) b2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 2189
Q:

5% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

A) 28.8 percent B) 24 percent
C) 25 percent D) 21 percent
 
Answer & Explanation Answer: B) 24 percent

Explanation:
Report Error

View Answer Report Error Discuss

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

2 2188
Q:

A boat goes a certain distance at 40 km/hr and comes back the same distance at 24 km/hr. What is the average speed (in km/hr) for the total journey?

A) 32 B) 28
C) 34 D) 30
 
Answer & Explanation Answer: D) 30

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Boats and Streams
Exam Prep: Bank Exams

7 2187
Q:

The average of three consecutive odd numbers is 52 more than 1/3rd of the largest of these numbers. What is the smallest of these numbers?

A) 79 B) 75
C) 81 D) 77
 
Answer & Explanation Answer: D) 77

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

4 2187
Q:

In what ratio sugar at Rs 30/kg should be mixed with sugar at Rs 45/kg so that on selling the mixture at Rs 42/kg there is a profit of 20%?

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 2187