For the following questions answer them individually
Arun wants to pay Rs.16000 cash for a colour television and Bala wants to purchase the same for Rs.17776, due after 2 years. If the rate of Simple Interest is 5% per annum, which of the deals is better for the shopkeeper?
A train passes a platform in 36 seconds and a man standing on the platform in 20 seconds. If
the speed of the train is 54 km/h, what is the length of the platform?
Which of the following canon of taxation is also known as 'ability to pay’ principle of taxation?
The force of attraction between two objects of masses M and m which lie at a distance d from each other is inversely proportional to?