Suppose we represent the distance above the ground by a positive integer and that below the ground by a negative integer, then answer the following:
An elevator descends into a mine shaft at the rate of 5 metre per minute. What will be its positin after one hour?

An elevator descends into a mine shaft at the rate of 6 m//min . If the descent starts frm 10m above the ground level, how long will it take to reach -350 m.

In Mohan's house,there are stairs for going down to the godown.Let us consider the numberof stairs going up to the terrace as positive integer,the number of stairs going down to the godown as negative integer and he ndumber repreenting ground level as zero.If Mohan godown 5 steps from the ground floor and then move up 12 steps from there,then where he will reach.Wirte down the answer as integer.

Answer the following A bus travels at v km per hour. It is going from Daspur to Beespur. After the bus has traveled for 5 hours. Beespur is still 20 km away. What id the distance from Daspur to Beespur? Express it using v.