(a) A gain of 400
(b) 200 m below sea level
(d) 10° C above zero
(e) A deposit of 500
11
5. Write all integers between:
(a) - 6 and 0
(b) - 2 and 2
6. Write the negative description of the following
(a) Profit of 50 (6) Height of 60 cm above
(d) Deposit of 1,000 (e) 30 m below sea level
e
7. Write all integers between - 12 and 2.
el
4. Indicate the following by '+' or '-' sign:
Answers
Answer:
Increase in weight
(b) 30 km north
(c) 326 BC
(d) Loss of Rs 700
(e) 100 m above sea level
Answer:
(a) Decrease in weight
(b) 30 km South
(c) 326 AD
(d) Gain of Rs 700
(e) 100 m below sea level
Question 2.
Represent the following numbers as integers with appropriate signs.
(a) An aeroplane is flying at a height two thousand meters above the ground.
(b) A submarine is moving at a depth eight thousand meters below the sea level.
(c) A deposit of rupees two hundred.
(d) Withdrawal of rupees seven hundred.
Answer:
(a) An aeroplane is flying at a height two thousand meters above the ground.
+200 m
(b) A submarine is moving at a depth eight thousand meters below the sea level.
-8000 m
(c) A deposit of rupees two hundred.
+ Rs 200
(d) Withdrawal of rupees seven hundred.
- Rs 700
Question 3.
Represent the following numbers on number line:
(a) +5 (b) –10 (c) +8 (d) –1 (e) –6
Answer:
(a) + 5
(b) -10
(c) +8
(d) -1
(e) -6