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Question
A lift is on the ground floor. If it goes 5 floors down and then moves up to 10 floors from there. Then in which floor will the lift be?
Solution
Initially the lift will be in the ground floor representing ‘0’
It goes to 5 floors down ⇒ – 5
Then it moves 10 floors up +10.
Now the lift will be = 0 – 5 + 10 = – 5 + 10
= 5th floor ...(above the ground floor)
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