Leela contributed Rs y towards the Prime Minister’s Relief Fund. Leela is now left with Rs (y + 10000).

Write an equation whose solution is not a whole number.

A pencil costs Rs p and a pen costs Rs 5p.

Kartik is n years old. His father is 7n years old.

The maximum temperature on a day in Delhi was p°C. The minimum temperature was (p – 10)°C.