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In a cool mine a lift goes down from the...

In a cool mine a lift goes down from the surface at the rate of 6 meter per mintue. Let's find what will be its position after 30 mintues. If the lift would have started getting down from a place 20 m above the ground what will be its position after 30 mintues, Let's find.Let's assume the distance above the ground to be positive and thats below the ground to be negative.

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NCERT BANGLISH-ADDITION,SUBTRACTION,MULTIPLICATION & DIVISION OF INTEGERS-EXAMPLE
  1. To verify let me take another example with integers. 12 xx (17 + 21) s...

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  2. Let's verify if distributive law of multiplication holds for integers,...

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  3. Let's verify if distributive law of multiplication holds for integers,...

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  4. Nitu and Milan sat for a Competitive examination on a science subject ...

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  5. A fruit vender makes a profit of Rs. 5 for every kg of mango he sells ...

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  6. In a cool mine a lift goes down from the surface at the rate of 6 mete...

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  7. We 8 friends decided to contribute Rs 5 each for preparing jhalmuri. B...

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  8. Fill in the blanks 2 xx {6-(-2)} square 2 xx 6 - 2 xx (-2)

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  9. Fill in the blanks (-9) xx {(-1)-(-6)} square (-9) xx (-1) - (-9) xx (...

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  10. Let's calculate mentally.5 xx (13)

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  11. Let's calculate mentally. 6 xx 18

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  12. Let's calculate mentally. 16 xx 25 xx (-4) xx 3

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  13. Division of integers : 35 -: 5

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  14. Division of integers : -12 -: 3

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  15. Division of integers : -25 -: 5

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  16. Division of integers : (-55) -: (-5)

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  17. Let's find the value of (-12) -: {(-8) -: (2)}

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  18. Let's find the value of {(-12) -: (-8)} -: (2)

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  19. Let's verify (-30) -: {(-5) + 2} != (-30) -: (-5) + (-30) -: 2

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  20. Let's verify {(-5) + 2} -: (-30) = (-5) -: (-30) + (2) -: (-30)

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