Quantitative Aptitude - Arithmetic Ability Questions

Q:

A bag has Rs 30.8 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 6:3:2. What is the number of 50 paise coins?

A) 8 B) 24
C) 12 D) 4
 
Answer & Explanation Answer: C) 12

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Q:

If cosC + cosD = x, then value of x is

A) 2cos[(C+D)/2]cos[(C-D)/2] B) 2sin[(C+D)/2]sin[(C-D)/2]
C) 2cos[(C+D)/2]sin[(C-D)/2] D) 2sin[(C+D)/2]cos[(C-D)/2]
 
Answer & Explanation Answer: A) 2cos[(C+D)/2]cos[(C-D)/2]

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Exam Prep: Bank Exams

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Q:

A bank offers 15% compound interest per half year. A customer deposits Rs 8800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is _____.

A) Rs 8315 B) Rs 2079
C) Rs 4158 D) Rs 1039
 
Answer & Explanation Answer: C) Rs 4158

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

Select the odd number from the given alternatives.

A) 133 B) 253
C) 231 D) 209
 
Answer & Explanation Answer: A) 133

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Filed Under: Odd Man Out
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Q:

(secA ­- tanA)/(cosecA + cotA) is equal to

A) (secA -­ cotA) / (cosecA + tanA) B) (secA -­ cosA) / (cosecA + sinA)
C) (cosecA -­ cotA) / (secA + tanA) D) (secA + cosA) / (cosecA -­ sinA)
 
Answer & Explanation Answer: C) (cosecA -­ cotA) / (secA + tanA)

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Q:

Solve the following : 27 - [38 - {46 - (15 - 13 - 2)}]

A) 31 B) 35
C) 30 D) 29
 
Answer & Explanation Answer: B) 35

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Q:

1/4 of 12?

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

Explanation:

1/4 of 12

= 1/4 x 12

= 3

 

Hence, 1/4 of 12 = 3.

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

P can complete a work in 15 days and Q in 24 days. They began the work together, but Q left the work 2 days before its completion. In how manydays, was the work completed?

A) 12 B) 10
C) 9 D) 11
 
Answer & Explanation Answer: B) 10

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Filed Under: Time and Work
Exam Prep: Bank Exams

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