6500+ Quantitative Aptitude Questions and Answers With Explanation

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:

If ${√(1 - sin}^{2} A) = x$ , then the value of x is

A) tanA	B) cosA
C) cosecA	D) secA

Answer & Explanation Answer: B) cosA

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The price of an article is cut by 33%, to restore to its original value, the new price must he increased by

A) 33 percent	B) 49.25 percent
C) 24.81 percent	D) 41.25 percent

Answer & Explanation Answer: B) 49.25 percent

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In an arithmetic progression if 13 is the 3rd term, -47 is the 13th term, then -17 is which term?

A) 9	B) 10
C) 7	D) 8

Answer & Explanation Answer: D) 8

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

What is the value of $(4 a^{2} - 9 b^{2}) / (2 a + 3 b)$ is

A) 2a - 3b	B) 2a + 3b
C) 2a	D) 3b

Answer & Explanation Answer: A) 2a - 3b

Explanation:

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Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The zeros of the cubic polynomial $2 x^{3} - x^{2} - 2 x + 1$ are a, b and c respectively. Find a+b+c :

A) -1	B) 2
C) 1	D) none

Answer & Explanation Answer: D) none

Explanation:

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Exam Prep: AIEEE , Bank Exams , CAT

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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

Explanation:

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Filed Under: Area
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

In the given figure, PQ is a diameter of the semicircle PABQ and O is its center. AOB = 64 deg. BP cuts AQ at X. What is the value (in deg) of AXP?

A) 36	B) 32
C) 58	D) 54

Quantitative Aptitude - Arithmetic Ability Questions

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