SSC CHSL 2021 PYQ — Question 56

SSC CHSL - 12 April 2021 - Shift 3 • Quantitative Aptitude • Q56

Comprehension:
In the following passage, some words have been deleted. Select the most appropriate option
to fill in each blank.
In the 19th century, there was an industrial revolution in Europe. As a result, millions of people
left the (1) ______ and went to work in big factories in cities. Today, it is the reverse. In several
major cities, people have started moving out. Why? They want a cleaner, (2) ______
environment. There are fewer jobs in ‘heavy’ industries like steel and power generation. (3)
______, there are more jobs in service industries like banking, tourism and food delivery.
Besides, modern transport and communications have made it easier for people to (4) ______
to work or even work from home. The result of this revolution in the 21st century will be
‘spread cities’ – cities are growing fast, but (5) ______, away from city centres and people are
choosing to live 40, 50 or 60 kilometres away.

Two circles touch internally. Their diameters are, respectively, 8 cm and 4 cm. What is the distance (in cm) between their centres?

Show answer & explanation

Correct answer: C

Explanation

The correct answer in option 3 i.e. 2

D1 = 8 cm, R1 = 4 cm 

D2 = 4 cm, R2 = 2 cm 

Distance between the centers of each circle = R1 - R2 = 4 - 2 = 2 cm