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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A shopkeeper offers the following 3 schemes. Which scheme has the lowest discount percentage (all articles have same marked price)?


I. Two successive discounts of 10% and 10%


II. Buy 7 get 8


III. Buy 9 get 1 free

 

A) Only II B) Only III
C) Only II and III D) All are equal.
 
Answer & Explanation Answer: B) Only III

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Filed Under: Percentage
Exam Prep: Bank Exams

27 2527
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

1 2523
Q:

If a boat goes a certain distance at 30 km/hr and comes back the same distance at 60 km/hr. What is the average speed (in km/hr) for the total journey?

A) 45 B) 50
C) 40 D) 35
 
Answer & Explanation Answer: C) 40

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

5 2521
Q:

By selling a used phone for Rs.7260 Sanjan got 34% less than what it cost him to buy it a few years ago.At what price should Sanjan have sold the phone to gain a profit of 5%?

A) ₹ 11,460 B) ₹ 11,480
C) ₹ 11,440 D) None
 
Answer & Explanation Answer: D) None

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Filed Under: Profit and Loss

2 2520
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

1 2519
Q:

Length and breadth of a rectangle are 8 cm and 6 cm respectively. The rectangle is cut on its four vertices such that the resulting figure is a regular octagon. What is the side (in cm) of the octagon?

A) 3(√11) – 7 B) 5(√13) – 8
C) 4(√7) – 11 D) 6(√11) – 9
 
Answer & Explanation Answer: A) 3(√11) – 7

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Filed Under: Area
Exam Prep: Bank Exams

3 2519
Q:

What is the value of cosec 11π/6?

A) -2/√3 B) √2
C) -2 D) -√2
 
Answer & Explanation Answer: C) -2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If (1 + cosA)/2 = x, then the value of x is

A) sin(A/2) B) √sin(A/2)
C) √cos(A/2) D) cos2(A/2)
 
Answer & Explanation Answer: D) cos2(A/2)

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Filed Under: Simplification
Exam Prep: Bank Exams

3 2519