Quantitative Aptitude - Arithmetic Ability Questions

Q:

A trader allowed a discount of 15% on a trolley bag having list price of Rs 1360 and earns a profit of 15.6%. What is the cost price (in Rs) of the trolley bag?

A) 1000 B) 1005
C) 1050 D) 1156
 
Answer & Explanation Answer: A) 1000

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he worked alone?

A) 30 B) 40
C) 25 D) 50
 
Answer & Explanation Answer: A) 30

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Factors of 48x3- 8x2- 93x- 45 are

A) (4x + 3)(4x ­- 3)(3x ­- 5) B) (4x -­ 3)(4x -­ 3)(3x-­ 5)
C) (4x + 3)(4x + 3)(3x -­ 5) D) (4x -­ 3)(4x + 3)(3x + 5)
 
Answer & Explanation Answer: C) (4x + 3)(4x + 3)(3x -­ 5)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If two successive discounts of 25% and 30% are given, then what will be the ratio of marked price to selling price?

A) 20 : 7 B) 40 : 21
C) 20 : 17 D) 40 : 33
 
Answer & Explanation Answer: B) 40 : 21

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

A) CEKRTCI B) OHKCYE
C) ESCSH D) OTOLABLF
 
Answer & Explanation Answer: C) ESCSH

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

A starts a business, after 6 months B also join him with Rs.4500 and after 2 months of B’s joining C also join them with Rs.4500. If A gets approx. Rs 4900 out of total annual profit of Rs. 10,000 then find the approximate value of initial investment of A.

A) Rs.4800 B) Rs.4200
C) Rs.3600 D) Rs.4400
 
Answer & Explanation Answer: C) Rs.3600

Explanation:

Let initial investment of A = x
Ratio of profit A : B : C = 12 × x : 6×4500 :4×4500
A :B:C = x : 2250: 1500
Now ATQx/(x+2250+1500) = 4900/10000
solving this we get,x ≈ Rs 3600

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Q:

When a discount of 20% is given on an African safari ticket, the profit is 43%. If the discount is 28%, then the profit is

A) 71 percent B) 113.3 percent
C) 13.6 percent D) 28.7 percent
 
Answer & Explanation Answer: D) 28.7 percent

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

At present, the sum of ages of 4 people is 76. After 7 years, the ratio will be 7:6:5:8. Find out the present age of C?

A) 12 B) 11
C) 17 D) 13
 
Answer & Explanation Answer: D) 13

Explanation:

Ans.
Currently :
A+B+C+D = 76
According to ques , after 7 years
A+B+C+D = 7x+6x+5x+8x = 76+7*4
26x = 76 + 28
X = 104/26
x = 4
C’s present age = 5x – 7 =20 – 7
                                     = 13

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , GATE

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