Question

please answer the following questions fast

CH-1: INTEGERS

1. Solve the following:
a) Subtract the sum of (-432) and 161 from 243.
b) A number x, added to (-119) is 201. Find x.

2. Simplify:
1. {13 × (-8)} + {13 × (-11)}
2. {(-19) + (-11)} ÷ 15
3. 24 ÷ 8 + 24 × (12-8) – 15
4. 11- {20 ÷ (7-2)}
5. (-25) + 28 ÷ (9-5)

3. Use a suitable property of integers to evaluate the following. State the property used. a) {23 × (-9)} + { 23 × (-7)} b) (-12) ×{6 × (-8)} c) 20 × {(-8) × (-7)} d) 21 × (-8) – 21 × (-17) e) 15 × { 12 + (-11)}

4. Answer the following: a) What is the product of (-12) × (-20) × 6? b) If the product of (-7) and an integer p is 105, what is the value of p? c) What is the sum of (-42) and (-15)?

5. Farhan begins a board game with 100 points. Out of 12 games played, he wins 4 points each in 4 games and loses 11 points each in the rest. What is the total score at the end of 12 games?

6. An elevator descends into a mine shaft at the rate of 6m/min. if the descent starts from 20m above the ground level, how long will it take to reach -370m?

7. In Srinagar, the temperature for 6 days were -12, -8, -3, -6, -15 and -10C. Represent the temperature on the number line. a) What was the lowest temperature reached? b) How many days was the temperature below 00C?

Answer 1

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Answer 2

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