**Question 1** What is the value of (-22)-[(-23)-{(-17)-(-61)}]

**Question 2 **What should be subtracted from -9876 to obtain -9512?

**Question 3 **The temperature of a city is 4^{0}C. Next day the temperature falls by 5^{0}C. What is the temperature of the city next day?

**Question 4 **Fill in the blanks

- Sum of integer and its additive inverse is …………………..
- Sum of -22 and -44 is ……………….
- -36 ÷ (……..)=-9
- ………………. Is absolute value of -998

**Question 5 **Mark the correct option

- Sum of two negative numbers is always
- Positive
- Negative
- 0
- 1

- Which property is reflected in this equation 7×5=5×7
- Closure
- Commutative
- Associative
- Distributive

**Question 6** A divers descends 20 feet in the water from the boat at the surface of a lake. He then rose 12 feet and descends another 18 feet. At this point what is his depth in water?

**Question 7** Verify a-(-b) =a + b for the following values of ‘a’ and ‘b’

- a=34 b=73
- a=45 b=30

**Question 8** Write down the pair of integers whose

- Sum is -4
- Sum is 0
- Difference is 2
- Difference is -6

**Question 9** Verify the following

- (-22) × [(-4) + (-5)]=[(-22) × (-4)] + [(-22) × (-5)]
- (-12) × [(3) + (-9)]=[(-12) × (4)] + [(-12) × (-9)]

**Question 10** Evaluate

- (-100)÷5
- (-36)÷(-4)
- (0)÷(-12)
- [(-30)÷5]÷2
- (-40)÷40

**Question 11** The price if a stock decreases Rs. 45 per day for four consecutive days. What was the total change in value of the stock over 4 day period?

**Question 12 **A group of hikers is descending the mountain at a rate of 600 feet per hour. What is the change in elevation of hiker after 6 hours?

**Question 13 **An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach -350 m.

**Question 14** In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer.

- Radhika answered all the questions and scored 30 marks and get 10 correct answers
- Jay also answered all the questions and scored (-12) marks though he got 4 correct answers

How many incorrect answers had they attempted?

**Question 15** In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer and 0 for answer not attempted. Ram gets 3 correct and 4 incorrect out of 7 questions he attempted. What is his score?

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