Question

A bag contains 70 pencils out of which 15 are green and 30 blue.(i)How many pencils of other colours. are in the bag?(ii)A pencil is selected from a bag at random.What is the probability that it is blue​

Answer 1

i) 25

ii) 30:70; 30 out of 70 pencils will be blue.

Explanation:

i) 70 - (15+30)= 25 other colors in the bag.

ii) 30:70