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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The average of 29 consecutive even integers is 60. The highest of these integers is

A) 88 B) 118
C) 176 D) 120
 
Answer & Explanation Answer: A) 88

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Filed Under: Numbers
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Q:

A quadrilateral is inscribed in a circle. If the opposite angles of the quadrilateral are equal and length of its adjacent sides are 6 cm and 8 cm, what is the area of the circle?

A) 64π sq cm B) 25π sq cm
C) 36π sq cm D) 49π sq cm
 
Answer & Explanation Answer: B) 25π sq cm

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Filed Under: Area
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Q:

In a Rhombus ABCD, measure of angle CAB is 35°, what is the measure of angle ABC?

A) 70° B) 40°
C) 50° D) 110°
 
Answer & Explanation Answer: D) 110°

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Filed Under: Simplification
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Q:

What is the value of (4a2 - 9b2 )/(2a + 3b) is

A) 2a - 3b B) 2a + 3b
C) 2a D) 3b
 
Answer & Explanation Answer: A) 2a - 3b

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Q:

If x2 + (1/x2) = 31/9 and x > 0, then what is the value of x3 + (1/x3)?

A) 70/9 B) 154/27
C) 349/27 D) 349/7
 
Answer & Explanation Answer: B) 154/27

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Q:

12 copies of a book were sold for Rs. 1800 thereby gaining cost price of 3 copies. The cost price of a copy of the book is

A) Rs. 120 B) Rs. 150
C) Rs. 1200 D) Rs. 1500
 
Answer & Explanation Answer: A) Rs. 120

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Filed Under: Profit and Loss
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Q:

If Mohan purchase 13 articles for Rs 12 and sells all the articles at the rate of 12 articles for Rs 13, then what will be the profit percentage?

A) 19.47 B) 17.36
C) 11.11 D) 12.5
 
Answer & Explanation Answer: B) 17.36

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Filed Under: Profit and Loss

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Q:

Monthly salaries of Pia and Som are in the respective ratio of 5: 4. Pia, from her monthly salary, gives th to her mother. 15% towards her sister’s tuition fees, 18% towards a loan and she shops with the remaining amount which was Rs. 2,100. What is the monthly salary of Som ?

A) Rs.25,000 B) Rs.30,000
C) Rs.15,000 D) Rs.20,000
 
Answer & Explanation Answer:

Explanation:

Let monthly salary of Pia = Rs.500x => Monthly salary of Som = Rs.400x Amount given by Pia to her mother = 3/5 * 500x = 300x Amount for her sister tuition fees = 15*500x/100 = 75x Amount for loan = 18*500x/100 = 90x => Amount left = 500x −(300x +75x +90x) = 2100 => 500x - 465x = 35x = 2100 => x = 2100/35 = 60 Therefore, Som's salary = 400 x 60 = Rs. 24,000

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Filed Under: Ratios and Proportions

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