The given distribution shows the number of runs scored by some batsman in one day cricket matches,find the mode.

In a primary school parents asked about of the number of hours they spend per day in helping their children to do home work. There were 90 parents who helped for frac(1)(2) hour to 1frac(1)(2) hours. The distribution of parents according to the time for which, they said they helped is given in the adjoining figure, 20% helped for the than 1frac(1)(2) hours per day, 30% helped for frac(1)(2) hour to 1 hours, 50% did not help at all. Using this, answer the following : How many said that they helped more than 1frac(1)(2) hours?

In a primary school parents were asked about of the number of hours they spend per day in helping their children to do home work. There were 90 parents who helped for frac(1)(2) hour to 1frac(1)(2) hours. The distribution of parents according to the time for which, they said they helped is given in the adjoining figure, 20% helped for more than 1frac(1)(2) hours per day, 30% helped for frac(1)(2) hour to 1 hours, 50% did not help at all. Using this, answer the following : How many said that they didnot help?

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:(i) A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess.When a student A takes food for 20 days she has to pay Rs 1000 as hostel charges whereas a student B,who takes food for 26 days,pays Rs 1180 as hostel charges.Find the fixed charges and the cost of food per day.

In a Television game show, the prize money of Rs. 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners?

The graphs of y=P(x) are given in Fig.2.10 below,for some polynomials P(x).Find the number of zeroes of P(x),in each case.

The graphs of y=P(x) are given below,for some polynomials P(x).Find the number of zeroes of P(x),in each case.

The graphs of y=P(x) are given in Fig.2.10 below,for some polynomials P(x).Find the number of zeroes of P(x),in each case.

The graphs of y=P(x) are given in Fig.2.10 below,for some polynomials P(x).Find the number of zeroes of P(x),in each case.