9. 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.
He jumps 3 steps down and then jumps back 2 steps up in every move. In how many
?
(3) 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?
() 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 (a) and (b) by
completing the following (1) -3+2-_=-8 (11) 4 - 2 + __ = 8
In 1), the sum (-8) represents going down by eight steps. So, what will the sum 8 in (i)
represent?
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