An elevator descends into a mine shaft at the rate of 5m/min. If the descent starts from 20 m above
the ground level , how long will it take to reach (- 550 m ) ?
Answers
Answered by
2
550/5
=110
20/5
=4
110+4
=114
Answered by
0
Answer:
it's ans is you will divide 550 to 20 and then jo x hoga use 5m/5min se multiply karna aur ans is ready
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