Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average of four consecutive odd numbers is 64. What is the value of largest number?

A) 65 B) 69
C) 71 D) 67
 
Answer & Explanation Answer: D) 67

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

The simplified form of (4x + 3)2 . (3x - 5) - (4x3 - 12x2 + 9x - 20) is

A) 6x2- 48x - 50 B) 24x3 + 2x2 - 32x - 15
C) 44x3 + 4x2 - 102x - 25 D) 24x3 + 8x2 - 42x - 50
 
Answer & Explanation Answer: C) 44x3 + 4x2 - 102x - 25

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Filed Under: Square Roots and Cube Roots
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

A work can be completed by 28 women in 36 days. If 4 women leave after working for 18 days, then how many days will be needed to complete the remaining work?

A) 24 B) 21
C) 27 D) 25
 
Answer & Explanation Answer: B) 21

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A vendor buys bananas at 4 for Rs 3 and sells at 3 for Rs 4. What will be the result?

A) 43.75% profit B) 77.7% loss
C) 77.7% profit D) 43.75% loss
 
Answer & Explanation Answer: C) 77.7% profit

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Circum center of ΔABC is O. If BAC = 75 and BCA = 80 degrees,

 then what is the value of OAC(in deg)?

A) 45 B) 65
C) 90 D) 95
 
Answer & Explanation Answer: B) 65

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and 4xz(3y - 2y2) is

A) 12x2y - 6xyz - 9yz2 + 8xy2z B) 12x2y - 6xyz + 9yz2 - 8xy2z
C) 12x2y - 6xyz - 9yz2 - 8xy2z D) 12x2y + 6xyz - 9yz2 - 8xy2z
 
Answer & Explanation Answer: C) 12x2y - 6xyz - 9yz2 - 8xy2z

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the simple interest on Rs. 400 for 10 years is Rs. 280, then rate of interest per annum is

A) 7% B) 712%
C) 714% D)
 
Answer & Explanation Answer: A) 7%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

At 24% discount the selling price of a washing machine is Rs 38000, what is the selling price if the discount is 40%?

A) Rs 18000 B) Rs 30000
C) Rs 22320 D) Rs 31920
 
Answer & Explanation Answer: B) Rs 30000

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Filed Under: Percentage
Exam Prep: Bank Exams

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