SSC CGL Tier-2 12th September 2019 Maths

Instructions

For the following questions answer them individually

Question 11

5 years ago, the ratio of the age of A to that of B was 4 : 5. Five years hence, the ratio of the age of A to that of B will be 6 : 7. If, at present, C is 10 years younger than B, then what will be the ratio of the present age of A to that of C?

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Question 12

The area of the base of a right circular cone is $$40\pi$$ andits height is 15 cm. The curved surface area of the cone (in $$cm^2$$) is:

Video Solution
Question 13

The given pie chart shows the quantity wise sales distribution of five products (A, B, C, D and E) of a company in 2016.
Quantity wise sales distribution of five products (A, B, C, D and E)

If 1500 units of product D were sold in 2016 and the total number of units sold by the company in 2017 was 18% more than that sold in 2016, then the total units sold by the company in 2017 is:

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Question 14

The given bar graph shows the imports and exports (in ₹ crores) of steel by a country from 2013 to 2017.

What is the ratio of the total imports in 2015 and 2017 to the total exports in 2013 and 2016?

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Question 15

An article is sold at a certain price. If it is sold at 80% of this price, then there will be a loss of 10%. What is the percentage profit when the article is sold at the original selling price?

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Question 16

In a circle, AB and DC are two chords. When AB and DC are produced, they meet at P. If PC = 5.6 cm, PB = 6.3 cm and AB = 7.7 cm, then the length of CD is:

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Question 17

The value of $$\left(\frac{sinA}{1-cosA} + \frac{1-cosA}{sinA}\right) \div \left(\frac{cot^2A}{1+cosecA} + 1\right)$$ is:

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Question 18

A is 25% more than B and B is 40% less than C. If C is 30% more than D, then by what percent is A less than D?

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Question 19

In a class, $$83\frac{1}{3}\%$$ of the number of studentsare girls and the rest are boys. If 60% of the number of boys and 80% of the number of girls are present, then what percentage of the total number of students in the class is absent?

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Question 20

A spends 65% of his income. His income is increased by 20.1% and his expenditure is increased by 25%. His savings:

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