Three Sectors

In a certain zoo, there are 42 animals in one sector, 34 in the second sector and 20 in the third sector. Out ofthis, 24 graze in sector one and also in sector two. 10 graze in sector two and sector three. 12 graze in sector one and sector three. These figures also include four animals grazing in all the three sectors. If all these animals are now transported to another zoo, then find the total number of animals?

triangleLMN is an equilateral triangle. LM=14 cm. As shown in the figure, three sectors are drawn with vertices as centres and radius 7 cm. Find (1) A(triangleLMN) . (2) Area of any one of the sectors. (3) Total area of all the three sectors. (4) Area of the shaded portion.

A spinning wheel divided into eight sectors. Three of these sectors are painted red and the remaining five are painted white, as shown. The wheel is spinned. What Is the probability of getting (i) a wheel sector? (ii) a red sector?