River ganga was flowing at 200 m level mark at Hooghly, bridge in kolkata. During rainy season, if the level rises by 5cm every hour, in how many hours level will reach 245 m Level mark?
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Answer:
900 hr
Step-by-step explanation:
200 + 5t/100 = 245
5t = 4500 => t = 900 hr
it will reach 245 level mark in 900 hrs .
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