Probability of solving specific problem independently by A and B are \(\frac{1}{2}\) and \(\frac{1}{3}\) respectively. If both try to solve the problem independently, find the probability that the problem is
(i) solved
(ii) exactly one of them solves the problem

Two urns contains the set of balls as given in the following table

Title	White	Red	Black
Urn 1	10	6	9
Urn 2	3	7	15

One ball is drawn from each urn and find the probability that
(i) both balls are red
(ii) both balls are of the same colour.

Ten cards numbered 1 to 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the drawn card is more than 4. What is the probability that it is an even number?

Find out the GM for the following

Yield of Rice (tones)	No. of farms
7.5-10.5	5
10.5-13.5	9
13.5-16.5	19
16.5-19.5	23
19.5-22.5	7
22.5-25.5	4
25.5-28.5	1

Calculate Quartile deviation and Coefficient of Quartile deviation of the following data.

Marks:	0	10	20	30	40	50	60	70
No. of students:	150	142	130	120	72	30	12	4