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Temperature of a place at 12:00 noon was...

Temperature of a place at 12:00 noon was `+5^(@)C`. Temperature increased by `3^(@)C` in first hour and decreased by `1^(@)C` in the second hour. What was the temperature at 2:00 pm?

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NCERT EXEMPLAR-INTEGERS -Exercise
  1. Write the opposite of each of the following: Depositing Rs.100 in t...

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  2. Write the opposite of each of the following: 20^(@)C rise in tempe...

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  3. Temperature of a place at 12:00 noon was +5^(@)C. Temperature increase...

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  4. Write the digits 0, 1, 2, 3, ..., 9 in this order and insert '+' or '-...

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  5. Write the integer which is its own additive inverse

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  6. Write six distinct integers whose sum is 7.

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  7. Write the integer which is 4 more than its additive inverse.

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  8. Write the integer which is 2 less than its additive inverse.

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  9. Write two integers whose sum is less than both the integers.

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  10. Write two distinct integers whose sum is equal to one of the integers.

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  11. Using number line, how do you compare (a) two negative integers? (b)...

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  12. Observe the following : 1+2-3+4+5-6-7+8-9=-5 Change one - sign as...

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  13. Arrange the following integers in the ascending order : -2,1,0,-3,+4...

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  14. Arrange the following integers in the descending order : -3,0,-1,-4,...

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  15. Write two integers whose sum is 6 and difference is also 6.

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  16. Write five integers which are less than -100 but greater than -150.

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  17. Write four pairs of integers which are at the same distance from 2 on ...

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  18. The sum of two integers is 30. If one of the integers is -42, then fin...

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  19. Sum of two integers is -80. If one of the integers is -90, then find t...

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  20. If we are at 8 on the number line, in which direction should we move t...

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