1. Verify a-(-b)=a+b for the following values of a and b i. a=2, b=8 ii. a=-4, b=8.
2. Rita deposits Rs.5000 in her bank account and withdraws
Rs.1842 from it, the next day. Find the balance in Rita’s
account after withdrawal.
3. In a quiz, positive marks are given for correct answers and
negative marks are given for incorrect answers. If Rahul’s
scores are 30,-6,-15, 10 and 8, what was his total at the
end?
4. Write down a pair of integers whose
i. Sum is -7 ii. Difference is 2.
5. In a quiz, team A scored -20, 8, 0 and team B scored 5, 0,
- 10 in three successive rounds. Which team scored more?
2. Rita deposits Rs.5000 in her bank account and withdraws
Rs.1842 from it, the next day. Find the balance in Rita’s
account after withdrawal.
3. In a quiz, positive marks are given for correct answers and
negative marks are given for incorrect answers. If Rahul’s
scores are 30,-6,-15, 10 and 8, what was his total at the
end?
4. Write down a pair of integers whose
i. Sum is -7 ii. Difference is 2.
5. In a quiz, team A scored -20, 8, 0 and team B scored 5, 0,
- 10 in three successive rounds. Which team scored more?
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