A number is 27 more than the number obtained by reserving its digits. If its unis and ten's digit are x and y respectively. Write the linear equations representing the above equations and draw its graph.

Draw the graph of the linear equations x+y=9

The taxi fare in a city is as follows : For the first kilometre, the fare is Rs.8 and for the subsequent distance it is Rs.5 per kilometre. Taking the distance covered as x km and total fare as Rs.y, write a linear equation for this information and draw its graph.

Write the linear equation such that each point on its graph has an ordinate 3 times its abscissa.

List all prime numbers less than 100 an having 3 as the digit at its unit place.

Draw the graph of the linear equations 3x+4y=6. At what points, the graph cuts x-axis and y-axis.

Write the greatest four digit number and express it in terms of its prime factors.