A ladder has rungs 25 cm apart.the rungs decrease uniformly in length from 45 cm at the the bottom to 25 cm at the top.if the top and bottom rungs are 2.5m apart,what is the length of wood required to make the rungs?
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Solution
If I arrange 5 pens at a uniform gap, how many spaces do I obtain? 4, isn't it? Now apply the reverse logic for the given problem. will give us the number of spaces. So the number of rungs that can be obtained will be 250/25250/25 + 1