SSC CHSL 20th October 2020 Shift-2

Instructions

For the following questions answer them individually

Question 51

A study was made for the number of persons of different age group visited in a library in a week which is shown in the histogram. Study the histogram and answer the question given below.

The ratio of the number of persons in the age groups 15-20 years and 20-25 years together, to the number of persons in the age groups 30-35 years and 35-40 years together, is:

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Question 52

If $$x = 3 + 2 \sqrt 2 $$, then the value of $$x^2 + \frac{1}{x^2}$$ is

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Question 53

If $$x + \frac{1}{x} = 5, x \neq 0$$ then the value of $$\frac{x^4 + \frac{1}{x^2}}{x^2 - 3x + 1}$$ is equal to:

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Question 54

A man travelled a distance of 35 km in 5 hours. He travelled partly on foot at the rate of 4 km/h and the rest on bicycle at the rate of 9 km/h. The distance travelled on foot is:

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Question 55

If $$x + \frac{4}{x} - 4 = 0$$, then the value of $$x^2 - 4$$ is equal to:

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Question 56

A,B and C are three points on the circle. If AB = AC = $$7 \sqrt 2$$ cm and $$\angle$$BAC = 90$$^\circ$$, then the radius is equal to:

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Question 57

Two concentric circles form a ring. The inner and outer circumferences of the ring are 22 cm and 44 cm, respectively. The width of the ring is: (take $$\pi = \frac{22}{7}$$)

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Question 58

Study the following pie-chart and answer the given question.
The pie-chart shows Budget Expenditure of a company in the year 2018 (percentage distribution) on different heads A, B, C, D & E.

If ₹ 165 crore were spent in year 2018 on A, what would have been the total expenditure for that year (in ₹ crores)?

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Question 59

Study the following pie-chart and answer the given question.
The pie-chart shows the Budget Expenditure of a company in the year 2018 (percentage distribution) on different heads A, B, C, D & E.

The central angle of the sector representing expenditure on head D is:

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Question 60

Study the following histogram and answer the given question.

A study was made for the number of persons of different age group visited in a library in a week which is shown in given in the histogram. Study the histogram and answer the question given below.


What percent of the total number of persons visiting library in the week was the number of persons of age group 25-30 years?

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