Question

Question 37(iv)
A child's game has 8 triangles of which 3 are blue and rest are red, and 10 squares of which 6 are blue and rest are red. One piece is lost at random. Find the probability that it is a triangle of red colour?

Answer 1

Total number of figures
n(S) = 8 triangles + 10 squares = 18

P (triangle of red colour) $=\frac{5}{18}$