Quantitative Aptitude - Arithmetic Ability Questions

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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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:

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:

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:

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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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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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:

Find the curved surface area (in cm²) of a hemisphere of diameter 28 cm

A) 1152 B) 1024
C) 956 D) 1232
 
Answer & Explanation Answer: D) 1232

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