Attempt of the following sub questions:
Solve the following quadratic equation by using formula method:
7y² – 5y – 2 = 0

Attempt of the following sub questions:
A coin is tossed three times then find the probability of the following events:
A is an event of getting a head on middle coin.
B is an event of getting exactly one tail.

Attempt of the following sub questions:
The following table shows ages of 300 patients getting medical treatment in a hospital on a particular day:

Find the median age of patient.

Attempt of the following sub questions:
Draw histogram and hence the frequency polygon for the following frequency distribution:

Attempt of the following sub questions:
The 11^th term and the 21^st term of an A.P are 16 and 29 respectively, then find the first term, common difference and the 34^th term.