UPSC CSE Prelims Paper 2 (CSAT) Mock Test - 25 (June 13, 2021) - UPSC MCQ

The area of the four walls of a room is 660 m² and its length is twice its breadth. If the height of the room is 11 m, then area of its floor (in m²) is

The mean of 30 values of numbers is 150. On scrutiny,it was found that while calculating Arithmetic Mean,one wrote 135 instead of 165. The correct Arithmetic Mean is

M is brother of K. T is sister of K. R is father of M. J is wife of R. How many sons does J have?

Read the following information relating to a family.
There are six persons A, B, C, D, E and F. C is the sister of F. B is the brother of E's husband. D is the father of A and grandfather of F. There are two fathers, three brother and a mother in the group.
Which of the following is a group of brothers ?

B is only child of C's grandfather's only daughter. How is C's father related to B?

A woman introduces a man as the son of the brother of her mother. How is the man related to her ?

The number of times the minutes hand coincides with the hour hand in a day is

Ramesh started from a point A towards south and travelled 5 km, then he turned right and travelled 2 km, then he turned right and travelled 5 km, then he turned left and travelled 5 km. How far was he from point A?

Find the number of parallelogram in the given figure.

If ‘south-east’ is called ‘east’,’north-west’ is called ‘west’, ‘south-west’ is called ‘south’ and so on, what will ‘north’ be called?

The list price of a pen is Rs 160. A man pays Rs 122.40 for it after receiving successive discount of 10% and x% Then x is equal to

If A is to the South of B and C is to the East of B, in what direction is A with respect to C?

A vertical tree stands at a point A on a bank of canal. The angle of elevation of its top from a point B on the other bank at the canal and directly opposite to A is 60°. The angle of elevation of the top from an other point C is 30°. If A, B and C are on the same horizontal plane, ∠ABC = 120° and BC = 20m, the height of the tree is

If E is coded as V, D is coded as Q, N is coded as Z, G coded as T, R is coded as I and A is coded as M, which of the following will be the correct form of the word DANGER ?

Journalist: The advice of social scientists is frequently overlooked by politicians making social policy. Because it is not unreasonable to discount scientific assertions backed by weak evidence, politicians should not generally be criticized for ignoring social science, for social scientists, unlike physical scientists, seldom agree on the claims made even within their own specialty.
Which one of the following is an assumption required by the journalist’s argument?

The total amount of fat that the average North American consumes each year has held steady since 1950, but nowadays North Americans consume less animal fat than in 1950, and more vegetable fat containing high levels of saturated fat. Both saturated and unsaturated fats are necessary to the human diet, since they are the only source of essential fatty acids (EFAs); however, most vegetable fats now consumed, unlike animal fats, do not contain EFAs. Because of this dietary shift from animal fat to vegetable fat, cardiovascular disease, neurological dysfunctions, and skin disorders are on the rise.
Which one of the following is most strongly supported by the information above?

Jamal: It’s incorrect to maintain that current data suggest a weakness in the economy. Stocks are paying higher dividends than ever and corporations’ profits are very high. Yet you criticize corporations on the basis of wage data, which are the only data showing a decline.
Jennifer: You’re right that only wage data show a decline, but those data are important because they show a shift of income from companies’ workers to their shareholders. The statistics you cite mean little to the expanding numbers of workers finding it increasingly difficult to make a living.
Jamal’s and Jennifer’s statements provide the most support for holding that they agree about the truth of which one of the following?

Once children begin to read they acquire new vocabulary most naturally as the indirect result of reading difficult, challenging material. The major alternative—direct studying of new vocabulary items—is less natural; most people are not so inclined. From age six to age thirteen, children learn thousands of new words a year, mostly through reading; direct studying accounts for less than one-tenth of all new words learned. So it is bound to be inefficient for young students to learn new vocabulary by direct studying.
Which one of the following, if true, most seriously weakens the argument?

Milk and water are in the ratio of 3:2 in a mixture of 80 litres. How much water should be added so that the ratio of the milk and water becomes 2:3?

The sum (101+102+103+....+200)is equal to

A candidate secured 30% marks in an examination and failed by 6 marks. Another secured 40% marks and got 6 marks more than the bare minimum to pass.The maximum marks is

Shatabadi Express has a capacity of 500 seats of which 10% are in the Executive Class and the rest being Chair Cars. During one journey, the train was booked to 85% of its capacity. If Executive Class was booked to 96% of its capacity, then how many Chair Car seats were empty during that journey?