[" 16.What is the colour of BLACK BOX found "],[" in an aircraft? "]

What is the colour of Black pepper when it is unripe and after ripening?

The gene for brown coloured hair is recessive that of gene for black coloured hair. What is the hair colour of a person who has inherited a gene for brown coloured hair from mother and black coloured hair from father?

What is the resistance of carbon resistor on which the colour of rings in sequence is black, brown,, black and gold.

A box contains 4 white and 5 black balls. A ball is drawn at random and its colour is noted. A ball is then put back in the box along with two additional balls of its opposite colour. If a ball is drawn again from the box, then the probability that the ball drawn now is black, is