Every flower has a different shape and colour.
A class has 4 boys and `g' girls. Every Sunday, 5 students including at least 3 boys go for a picnic to a doll house; a different group being sent every week. Every girl that goes on a trip gets a colour box. If 85 colour boxes were distributed after all possible groups went for picnic, then g =
Question 21
In Fig., a flower made of thick coloured paper has been pasted on the transparent glass sheet. What will be the shape and colour of shadow seen on the screen?