Which of the following statements are true and which are false?

(i) Every whole number is a rational number.

(ii) Every integer is a rational number.

(iii) 0 is a whole number but it is not a rational number.

A mother and her two daughters got a room constructed for Rs. 62,000. The elder daughter contributes of her mother’s contribution while the younger daughter contributes of her mother’s share. How much do the three contribute individually?

The product of two rational numbers is . If one of the numbers be , find the other.

The overall width in cm of several wide-screen televisions are 97.28 cm, cm, cm and 97.94 cm. Express these numbers as rational numbers in the form and arrange the widths in ascending order.

The average life expectancies of males for several states are shown in the table. Express each decimal in the form p/q and arrange the states from the least to the greatest male life expectancy.

State-wise data are included below; more indicators can be found in the “FACTFILE” section on the homepage for each state.

On a winter day the temperature at a place in Himachal Pradesh was –16°C. Convert it in degree Fahrenheit (^oF) by using the formula.

The product of two rational numbers is –7. If one of the number is –5, find the other?

The diagram shows the wingspans of different species of birds. Use the diagram to answer the question given below:

How much longer is the wingspan of a Golden eagle than the wingspan of a Blue jay?

Roller Coaster at an amusement park is m high. If a new roller coaster is built that is times the height of the existing coaster, what will be the height of the new roller coaster?

By what number should we multiply so that the product may be 24?

Here is a table which gives the information about the total rainfall for several months compared to the average monthly rains of a town. Write each decimal in the form of rational number p/q.