SSC CHSL 4th August 2021 Shift-2

A shopkeeper bought pens at the rate of ₹1,350 for 15 dozen pens and sold them atthe rate of ₹495 for 5 dozen pens. His percentageprofit or percentagelossis:

Study the following graph and answer the question that follows.
Marks scored by five students (A, B, C, D and E) in three subjects (Maths. English and Physics)

What is the ratio of the marks of D’s in Maths and Physics together to the marks of B's in English and Physics?

The population of a town increased by 15%in 2018 and 10%in 2019. Due to a pandemic,it decreased by 10% in 2020. What was the percentageincrease in the population of the town in 3 years?

If a : b = 2 : 3 and c : d = 5a : 3b, then 2c : 5d is equal to:

Solve the following equation and find the value of $$\theta$$.
$$3 \cot \theta + \tan \theta - 2\sqrt{3} =0, 0 < \theta < 90^\circ$$

Which of the given Articles of the Constitution of India mentions the following?
"There shall be a council of Ministers with the Prime Minister at the head to aid and advise the President who shall in the exercise of his functions, act in accordance with such advice."

In which country was the World Snooker Championship 2020 held from 31 July to 16 August 2020?

In which year did India host the Commonwealth Games?

What is the generic name of calcium sulphate hemihydrate?

Which of the following rivers originates from the state of Rajasthan?