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Question
Write the opposite of the following: -34
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Solution
34
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A water tank has steps inside it. A monkey is sitting on the topmost step (i.e., the first step). The water level is at the ninth step.
1) He jumps 3 steps down and then jumps back 2 steps up. In how many jumps will he reach the water level?
2) After drinking water, he wants to go back. For this, he jumps 4 steps up and then jumps back 2 steps down in every move. In how many jumps will he reach back the top step?
3) If the number of steps moved down is represented by negative integers and the number of steps moved up by positive integers, represent his moves in part (i) and (ii) by completing the following; (a) − 3 + 2 − … = − 8 (b) 4 − 2 + … = 8. In (a) the sum (− 8) represents going down by eight steps. So, what will the sum 8 in (b) represent?
State, true or false of the given statement:
product of two integers can be zero.
Subtract the numbers in the top row from the numbers in the first column and write the proper number in each empty box.
| – | 6 | 9 | –4 | –5 | 0 | +7 | –8 | –3 |
| 3 | 3 – 6 = –3 | |||||||
| 8 | 8 − (−5) = 13 | |||||||
| –3 | ||||||||
| –2 |
Write the opposite of the following: Gaining a weight of 5 kg
Find the value of: |15|
Find an integer a such that: a + (−4) = 0
Is the following statement true or false?
−14 > −8 − (−7)
Use convenient groupings and find the value of: (−17) × (−23) × 41
Write (T) for true and (F) for false for the following statement:
(−8) ÷ 0 = 0
Evaluate: (−36) ÷ 6
