WBCS 2021 Mains (General Studies Paper-IV) Prev. Yr. Paper (24-May-2022)

Suppose yesterday is not Sunday. Which of the following days cannot be the day after tomorrow?

Direction: In the Venn diagram given below number of Bengali students of age 18 attending certain online courses during complete lockdown is as follows:
The square represents the students who are learning Spanish, the triangle is for those who are learning music and the circle is for those who are learning photography. Study the diagram and answer the questions. (Refer to the file name "image_b95401.png")



What approximately is the percentage of students who are learning all the things?

The average of first 10 odd numbers is _______.

In a right-angled triangle $XYZ$, $\angle Y=90^{\circ }$, if $XY=2\sqrt{6}$ and $XZ-YZ=2$, then $\sec X+\tan X$ is

The least number that is to be subtracted from 5629 to make the result a perfect square is