How did Vijay Singh use the egg? How did he use the lump of salt?

•Vijay Singh challenged the ghost to squeeze a piece of rock. The ghost tried his best but could not succeed. Vijay Singh took advantage of the darkness. He took out the egg from his pocket and picked up a rock as well. He pressed the egg and claimed victory.
• Next time he picked up another piece of rock and gave it to the ghost to crash it. The ghost again failed to crush it. Meanwhile Vijay Singh took out the jump of salt from his pocket and crushed it easily. This time too, he proved himself victorious.
Thus, by using the egg and the lump of salt, he successfully outwitted ghost.

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