Write a letter to the editor of a local daily, urging to the common people to switch to solar energy to conserve electricity and limit their electricity bills. You are Rajiv/ Ritu 619/23, Palam Vihar, Gurugram.​

There is a simple pattern for determining if a binary number is odd. what is it and why does this pattern occur? how many bits would you need if you wanted to have the ability to count up to 1000? how high could you count in binary if you used all 10 of your fingers as bits? (finger up means 1, finger down means 0)

The width of a piece of rectangular land is 5m shorter rhan 1/3 of its length .find the width of the land if the length is 60m,150m.

Experimental data that is expressed using numbers is said to be