The venn diagram shows the number of students in a class ...
The venn diagram shows the number of students in a class who like reading(R), dancing(D) and swimming(S). How many students like dancing and swimming?
7
9
11
13
Correct answer is A
student that like swimming = x + 2
where 2 is the number of students who like reading, dancing and swimming. To find x from the venn diagram of swimming
6 +3 + 2 + x = 16
11 + x = 16
x = 16 - 11 = 5
no. of students that like dancing and swimming
x + 2 = 5 + 2 = 7
Similar Questions
Find the value of m in the diagram...
A side and a diagonal of a rhombus are 10cm and 12cm respectively, Find its area ...
A regular polygon has 9 sides. What is the size of one of its exterior angles?...
If y = (2x + 1)3 find dy/dx ...
8, 18, 10,14, 18, 11, 13, 14, 13, 17, 15, 8, 16, and 13 The following are scores obtained by some...
Arrange the following numbers in ascending order of magnitude 67, 1315, 0....
Simplify \((25)^{\frac{-1}{2}} \times (27)^{\frac{1}{3}} + (121)^{\frac{-1}{2}} \times (62...