Integers
1. A submarine submerges at the rate of 5m/min. If it descends from 20m above the sea level, how long will it take to reach 250m below sea level?
2. Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?
3.
In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?
4.A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?
5. Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay?
6. A submarine was situated 450 feet below sea level. If it descends 300 feet, what is its new position?
7. Metal mercury at room temperature is a liquid. Its melting point is -39°C. The freezing point of alcohol is-114°C. How much warmer is the melting point of mercury than the freezing point of alcohol?
8. In a school exam, Rohan’s score was up to 500 points. Then he scored -100 points in the words category. What was his score then?
9. Every floor of a 20 storey building is 5m high. If a lift moves 2m every second, how long will it take to move from 3rd floor to 15th floor ?
10. A body dropped a pebble in the air from a height of 15m which fell and settled at the bottom of a pond 10m deep. By how much distance did the pebble fall ?
Answers
1. 54minutes
2. 30,340 feet
3. -21 degree celcius
4. -550
5. -7
6. -750
7. 75
8. 400
9. 30 seconds
10. +25m
No comments:
Post a Comment