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Question 1 of 5

Problem Statement

In a computer game, the boss' tower fires three indestructible weapons at different times.

The LASER activates every 4 seconds.

The arrows are fired every 6 seconds.

The guns are fired every 5 seconds.

Liam was able to clear the boss' tower in 4 minutes after entering in it.

If the three weapons begin activating the moment Liam entered the tower, How many times did Liam have to avoid being hit by the LASER and the arrows without the guns also firing?