The number of students in a hostel, speaking different languages is given below. Display tha data in a pie chart.

Compare the pairs of real number given below ab+1,a+b .

Compare the pairs of real number given below a^3+1,a^2+1 .

Draw a pie chart of the data given below. The times spent by a child during a day.

Pragya tested the solubility of three different substances at different temperatures - and collected the data as given below (results are given in thefollowing table, as grams of substance dissolved in 100 grams of water to form a saturated solution). Find the solubility of each salt at 293K. Which salt has the highest solubility at this temperature?

Pragya tested the solubility of three different substances at different temperatures - and collected the data as given below (results are given in thefollowing table, as grams of substance dissolved in 100 grams of water to form a saturated solution). What is the effect of change of temperature on the solubility of a salt?

Find AP whose first term 'a' and common difference 'd' are given below:(i)a=3,d=-2

Find AP whose first term 'a' and common difference 'd' are given below:(iii) a=8,d=4

Pragya tested the solubility of three different substances at different temperatures - and collected the data as given below (results are given in thefollowing table, as grams of substance dissolved in 100 grams of water to form a saturated solution). What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate to 50 grams of water at 313K?

Pragya tested the solubility of three different substances at different temperatures - and collected the data as given below (results are given in thefollowing table, as grams of substance dissolved in 100 grams of water to form a saturated solution). Pragya makes a saturated solution of potassium chloride in water at 353 K and leaves the solution to cool at room temperature. What would she observe as the solution cools? Explain.

Take a squared paper and arrange 48 counters on it in different number of rows as shown below. What do you observe? As R increases, C decreases. Is R_1 : R_2 = C_2 : C_1 ?