Aryabhatta##shorts

The sum of the ages of Aryabhatta and Shridhar is 45 years. Five years ago the product of their ages was 4 times the Aryabhatta,s age at the time. The present ages of Aryabhatta and Shridhar respectively are:

The sum of the ages of Aryabhatta and Shridhar is 45 years. Five years ago the product of their ages was 4 times the Aryabhatta's age at that tim. The present ages of Aryabhatta and Shridhar respectively are:

The artificial satellite Aryabhatta was reported to revolve round the earth in 96.2 minutes at an average height of 600 km. With what velocity was it projected ? What was the acceleration due to gravity on the satellite ? (Radius of the earth = 6400 km)

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option. Aryabhatta was the first astronomer to state______that the earth is round and it rotates on its axis.