Q6. Represent the following as integers with appropriate signs:
a) A jet plane flying at the height of 2756m
b) 10m down in the basement of a shopping mall.
c) A submarine moving at depth of 234 m below the sea level.
d) A deposit of Rs. 26500.
e) A profit of Rs. 3000.
Q7. Subtract:
a) 15 from -20
b) 247 from 196
Q8. Add -78 to the difference of -56 and -89.
give answer in notebook correct answers
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