
An elevator descends into a mine shaft at the rate of . If the descent starts from above the ground level, how long will it take to reach .

Important Questions on Integers
Following number line shows the temperature in degree Celsius at different places on a particular day. Observe this number line and write the temperature of the places marked on it.

Following number line shows the temperature in degree Celsius at different places on a particular day. If the temperature difference between the hottest and the coldest places among the marked cities is , then find the value of .

Following number line shows the temperature at different places on a particular day. If the temperature difference between Lahulspiti and Srinagar is , find the value of .

Following number line shows the temperature in degree Celsius at different places on a particular day. Can we say temperature of Srinagar and Shimla taken together is less than the temperature at Shimla? Is it also less than the temperature at Srinagar?



A plane is flying at the height of above the sea level. At a particular point, it is exactly above a submarine floating below the sea level. What is the vertical distance between them?

