Quantitative Aptitude Questions with Answers Pdf Free Download
Quantitative Aptitude is an essential aspect of any competitive exam. It is a section that tests your mathematical skills, analytical abilities, and problem-solving skills. The questions in this section are designed to assess your ability to comprehend and analyze data, interpret graphs and charts, and make accurate calculations.
To excel in this section, you need to practice various types of questions and understand the underlying concepts. In this blog post, we will discuss some commonly asked quantitative aptitude questions and their answers.
Quantitative Aptitude Questions with Answers Pdf Free Download
- What is the sum of the first 100 even numbers?
The sum of the first n even numbers can be calculated using the formula n(n+1). Therefore, the sum of the first 100 even numbers can be calculated as:
100(100+1) = 100(101) = 10100
Therefore, the sum of the first 100 even numbers is 10,100.
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- If the ratio of the length and breadth of a rectangle is 3:2 and the perimeter of the rectangle is 30 cm, find the length and breadth of the rectangle.
Let the length of the rectangle be 3x and the breadth be 2x.
Perimeter of the rectangle = 2 (length + breadth)
30 = 2 (3x + 2x)
30 = 2(5x)
30 = 10x
x = 3
Length = 3x = 3 * 3 = 9 cm
Breadth = 2x = 2 * 3 = 6 cm
Therefore, the length and breadth of the rectangle are 9 cm and 6 cm, respectively.
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- What is the value of (2/3)^2 x (3/2)^3?
(2/3)^2 = 4/9
(3/2)^3 = 27/8
Therefore, (2/3)^2 x (3/2)^3 = (4/9) x (27/8) = (4 x 27) / (9 x 8) = 3/2
Therefore, the value of (2/3)^2 x (3/2)^3 is 3/2.
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- What is the HCF of 36, 48, and 72?
The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.
The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
The common factors of 36, 48, and 72 are 1, 2, 3, 4, 6, 12, and 36.
The highest common factor (HCF) of 36, 48, and 72 is 12.
Therefore, the HCF of 36, 48, and 72 is 12.
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- If a discount of 20% is given on an article whose marked price is Rs. 500, what is the selling price of the article?
Discount = 20% of the marked price = 20/100 * 500 = Rs. 100
Selling price = Marked price - Discount = 500 - 100 = Rs. 400
Therefore, the selling price of the article after a discount of 20% is Rs. 400.
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