For the following questions answer them individually
What is the smallest natural number that has to be subtracted from 4100 so as to get a number that is both a perfect square as well as a perfect cube?
A tap A fills a tank in 30 hours. Another tap B fills the tank in 24 hours. If the taps are opened for one hour each alternately, in how many hours would the tank be full?
The speeds of a boat downstream and upstream are 18 km/hr and 8 km/hr respectively. What is the speed of the stream?
What is the interest that has to be paid on a sum of Rs 40000 borrowed for 2 years at 5% p.a. compounded annually?
If the area of a rectangle is 2 times the perimeter of the square with side 5m and length of the rectangle is 8 m. then what will be the breadth of the rectangle?
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