An insurance company selected 1600 drivers at random in a particular city to find a relationship between age and number of accidents. The data obtained are given in the following table:

	No. of accidents (in one year)
Age of drivers (in years)	0	1	2	3	More than 3
18–25	320	125	75	45	30
25-40	400	45	50	15	10
40-55	150	85	13	8	10
Above 55	150	25	17	20	7

Find the number of drivers
(a)  in the age of 25–40 years and has more than 2 accidents in the year.
(b)  the age is above 40 years and has accidents more than 1 but less than 3.