Read carefully the passage given below and answer the questions that follow:
An old man had three sons who often fought with one another. The old man's advice not to do so, had no effect on them. Once he fell ill. He was on the point of his death. He called his sons together. He gave them a bundle of sticks and asked them to break it one by one, but none of them could break it. Then he asked them to untie the bundle. Now the sticks were easily broken by all of them. The old man then told his sons if they lived together without fighting with one another, no harm would come to them.
Questions:
(i) How many sons did the old man have?
(ii) How many sons were able to break the bundle of sticks?
(iii) When did the sons break the sticks easily?
(iv) What lesson do we get through this story?