Question
Six persons A, B, C, D, E, and F live in a building of
six-floors such that the bottommost floor is numbered as 1 and the topmost floor is numbered as 6 but not necessarily in the same order. D lives just above A, who lives on a prime numbered floor. Two persons live between D and B. F lives just above B. C lives neither on a prime numbered floor nor above D. Who lives on second floor?Solution
The diagram represents the number of students studying different subjects. What is the number of students who study both Hindi and Chemistry?
In the given figure, how many pencils are black?
How many people belong to W group but not X group?
The following Venn diagram shows the number of students who like to eat three different fruits (Dates, Mango, Cherry)
In the given figure, which letter represents those teacher who teaches both Maths and Physics?
How many persons like all the activities i.e., Painting, Dancing and Music?

Which of the following diagrams best depicts the relationship between Tubelight, Mobile and Gadget.

Find the number of triangles in the following figure:
