Out of 15m long pole, 17/5 metre is inside the earth and 23/10 metre is inside the water. Find the length of the part of the pole above the water level.
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Step-by-step explanation:
According to question,
Let, total height of the pole be x,
So,
2x/5 + 2/x+3=x
⟹ 10/x =3
⟹x=30m
hence, total length of the pole is 30m
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