Question

a building has 25 floors with each of 5m in length. There are 3 floors in the basement ( excluding the 25 floors). A lift moves in the speed of 1m/sec. How much tie will a man take to move from the 10th floor to the second floor in the basement.

Answer 1

Answer:

1 min

Step-by-step explanation:

Step 1 = Distance from the 10th floor to the 2nd floor of the basement = 50+10m = 60m

Step 2 = Time = Distance ÷ Speed

⇒ Time = 60m ÷ 1 = 60 secs or 1 minute

Answer 2

Answer:

I GUESS 40

Step-by-step explanation:

10 TH FLOOR TO 2ND FLOOR SO,

8 FLOORS = 8*5 = 40 M

SPEED OF THE LIFT IS 1M/SEC

SO 40 METRES / 40 SECONDS