National Science Day is celebrated in India on 28 February to commemorate the discovery of which effect?

Read the passage and answer. "Ravi woke up early every day to water the small garden behind his school. At first, many students laughed at him. But Ravi did not stop. After a few months, the garden was full of colourful flowers, and the same students came forward to help him." Which of the following can be inferred from the passage?

Which famous fair of Rajasthan, known for camel trading, is held every year on Kartik Purnima?

Find the missing number in the grid: Row 1: 2, 4, 8 Row 2: 3, 9, 27 Row 3: 5, ?, 125

Which brother of Ravan left him and joined Lord Rama's side during the war?