A famous treasure hunter was stuck at a cave with four doors.
Door-1: Filled with ice and anyone who enters the gate will be frozen to death in seconds.
Door-2: Two hungry sharks waiting for the prey
Door-3: Filled with the world's most poisonous gas.
Door-4: Filled with amplified glasses that magnify the power of the sun by 100 times and anyone who enters will be burnt in seconds.
How can he escape?
He can escape from the 4th door at night when the sun goes down.
