Quantitative Aptitude - Arithmetic Ability Questions

Q:

If tanA - cotA = x, then value of x is?

A) (1 + 2cos2A)/(sinA cosA) B) (sinA cosA)/(1 - 2cos2A)
C) (sinA cosA)/(1 + 2cos2A) D) (1 - 2cos2A)/(sinA cosA)
 
Answer & Explanation Answer: D) (1 - 2cos2A)/(sinA cosA)

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

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Q:

A carpenter can build a cupboard in 64 hours. After 16 hours he takes a break. What fraction of the cupboard is yet to be built?

A) 0.6 B) 0.75
C) 0.2 D) 0.8
 
Answer & Explanation Answer: B) 0.75

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If the hour hand of a clock moves by 18 deg then by how many degrees does the minute hand move during the same time?

A) 168 B) 216
C) 276 D) 196
 
Answer & Explanation Answer: B) 216

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Filed Under: Clocks
Exam Prep: Bank Exams , CAT

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Q:

Average of the runs of 133 players of a team is 38. If the average of the runs of the male players is 43 and the average of the runs of the female players is 24, then what will be the ratio of the total runs of male players and the total runs of female players respectively?

 

A) 301 : 60   B) 7 : 3  
C) 39 : 11   D) 60 : 207
 
Answer & Explanation Answer: A) 301 : 60  

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Manish can complete a work in 21 days and Karan can complete the same work in 28 days. If both together work for 7 days, then what fraction of total work is left?

 

A) 3/5 B) 2/3
C) 7/12 D) 5/12
 
Answer & Explanation Answer: D) 5/12

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A shopkeeper marks his goods 50% more than the cost price and allows a discount of 25%. His profit or loss percentage is:

A) 37.5% B) 25.5%
C) 12.5% D) 25%
 
Answer & Explanation Answer: C) 12.5%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The price of an article is cut by 33%, to restore to its original value, the new price must he increased by

A) 33 percent B) 49.25 percent
C) 24.81 percent D) 41.25 percent
 
Answer & Explanation Answer: B) 49.25 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Find the Odd one out.

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

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Filed Under: Odd Man Out

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