Question

A card game has 15 squares of which 5 are blue and 10 are red,8 triangles of which 5 are green and 3 are blue and 12 rhombuses of which 7 are red and 5 are green.One piece is lost at random find the probability that it is a
1. square
2. triangle of green colour
3. rhombus of red colour 
4. rhombus

Answer 1

1=no of squarecard/ total no of cards=15/35=3/7
2=same as above
5/35= 1/7
3= 7/35=1/5
4=12/35

Answer 2

1)15/35=3/7
2)5/35=1/7
3)7/35=1/5
4)12/35