NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 3: Integers - Problems and Solutions
Question 62

Question. 62

62. Write the opposite of each of the following:

Q62 list
  1. Decrease in size
  2. Failure
  3. Profit of Rs. 10
  4. 1000 A.D.
  5. Rise in water level
  6. 60 km south
  7. 10 m above the danger mark of river Ganga
  8. 20 m below the danger mark of the river Brahmaputra
  9. Winning by a margin of 2000 votes
  10. Depositing Rs.100 in the bank account
  11. 20°C rise in temperature

Answer:

(a) Increase in size, (b) Success, (c) Loss of Rs. 10, (d) 1000 B.C., (e) Fall in water level, (f) 60 km north, (g) 10 m below the danger mark, (h) 20 m above the danger mark, (i) Losing by a margin of 2000 votes, (j) Withdrawing Rs. 100 from the bank account, (k) 20°C fall in temperature

Detailed Answer with Explanation:

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  • Given: Decrease in size

    Meaning: getting smaller

    Opposite: Increase in size (getting bigger)

  • Given: Failure

    Meaning: not achieving the goal

    Opposite: Success (achieving the goal)

  • Given: Profit of Rs. 10

    Meaning: money gained = +10

    Opposite: Loss of Rs. 10 (money lost = −10)

  • Given: 1000 A.D.

    Meaning: year counted forward from the birth of Christ

    Opposite: 1000 B.C. (year counted backward before Christ)

  • Given: Rise in water level

    Meaning: level going up

    Opposite: Fall in water level (level going down)

  • Given: 60 km south

    Meaning: direction towards the south

    Opposite: 60 km north (reverse direction)

  • Given: 10 m above the danger mark

    Meaning: height is higher than the mark

    Opposite: 10 m below the danger mark (height is lower)

  • Given: 20 m below the danger mark

    Meaning: height is lower than the mark

    Opposite: 20 m above the danger mark (height is higher)

  • Given: Winning by a margin of 2000 votes

    Meaning: ahead by 2000

    Opposite: Losing by a margin of 2000 votes (behind by 2000)

  • Given: Depositing Rs. 100 in the bank account

    Meaning: money goes into the account

    Opposite: Withdrawing Rs. 100 from the bank account (money comes out)

  • Given: 20°C rise in temperature

    Meaning: temperature increases by 20°C

    Opposite: 20°C fall in temperature (temperature decreases by 20°C)

    • Key rule: Reverse the direction or the sign to get the opposite.

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    NCERT Exemplar Solutions Class 6 – Mathematics – Unit 3: Integers – Problems and Solutions | Detailed Answers