In a pond, there are 10 steps going up the ground and 8 steps going below the ground level to the bottom of the pond.
Find the distance between the 5th step above the ground and the 4th step below the ground if the distance between the two consecutive steps is 1 unit.

9 units

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7 units

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1 unit

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6 units

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Solution

The correct option is A 9 units
The steps above the ground are indicated as positive integers and the steps below the ground are indicated as negative integers.

5th step above the ground $\to$ +5
4th step below the ground $\to$ –4

To find the distance between the 5th step above the ground and 4th step below the ground, we find the absolute values of +5 and –4 and add them up.

$∴$ Required distance
$= | + 5 | + | - 4 | = 5 + 4 = 9 units$

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In a pond, there are 10 steps going up the ground and 8 steps going below the ground level to the bottom of the pond. Find the distance between the 5th step above the ground and the 4th step below the ground if the distance between the two consecutive steps is 1 unit.

In a pond, there are 10 steps going up the ground and 8 steps going below the ground level to the bottom of the pond.
Find the distance between the 5th step above the ground and the 4th step below the ground if the distance between the two consecutive steps is 1 unit.