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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A shopkeeper by selling 17 Omega watches, earns a profit equal to the selling price of 7 Omega watches. What is his profit percentage?

A) 41.1 percent B) 82.2 percent
C) 70 percent D) 12.2 percent
 
Answer & Explanation Answer: C) 70 percent

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

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Q:

A sum of Rs. 2600 is invested at two different rates of interest. The difference between the simple interests got after 4 years is Rs 402.80 at these two rates, what is the difference between the rates of interest?

A) 1.58 B) 2.63
C) 3.87 D) 4.02
 
Answer & Explanation Answer: C) 3.87

Explanation:

Let the two different rates of interests be r1 and r2 respectively.

From the given data,

2600 x 4 x r1 - r2100  = 402.80r1 - r2 = 402.80104  = 3.87

 

Hence, the difference in the interest rates = 3.87

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 2590
Q:

A tower is broken at a point P above the ground. The top of the tower makes an angle 60° with the ground at Q. From another point R on the opposite sideof Q angle of elevation of point P is 30°. If QR = 180 m, then what is the total height (in metres) of the tower?

 

A) 90 B) 45√3
C) 45(√3+1) D) 45(√3+2)
 
Answer & Explanation Answer: D) 45(√3+2)

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Filed Under: Height and Distance
Exam Prep: Bank Exams

7 2590
Q:

If 1 shirt is offered free on purchase of 4 shirts, what is the effective discount (in %) on each shirt?

A) 25 B) 20
C) 16 D) 24
 
Answer & Explanation Answer: B) 20

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Raman spends 80% of his income. If his income is increased by 25% and the expenditure increase by 10%, then what will be the percentage increase in his savings?

A) 17 B) 70
C) 77 D) 85
 
Answer & Explanation Answer: D) 85

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Filed Under: Percentage
Exam Prep: Bank Exams

6 2583
Q:

If the selling price of 40 articles is equal to the cost price of 50 articles, the loss or gain percent is

A) 25% gain B) 20% gain
C) 25% loss D) 20% loss
 
Answer & Explanation Answer: A) 25% gain

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

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Q:

If x + [1/(4x)] = 5/2, then what is the value of (64x6+ 1)/8x3?

A) 110 B) 115
C) 125 D) 140
 
Answer & Explanation Answer: A) 110

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

An article costs Rs 50 presently. The rate of inflation is 300%. What will be cost of this article after two years?

A) Rs 200 B) Rs 600
C) Rs 800 D) Rs 1000
 
Answer & Explanation Answer: C) Rs 800

Explanation:

A = P(1 + r/100)n   ⇒50(1 + 300/100)2   ⇒50(4)2  ⇒800

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Filed Under: Compound Interest
Exam Prep: Bank Exams

5 2575