A rectangular fish tank 25m by 9m has water in it to a level of 2m . This water is carefully poured into a cylindrical container with a diameter of 10m . How high will the water reach in the cylindrical container?

Created: 5 months ago | Updated: 6 days ago

18 π

18 / π

π / 18

9 / 2 π

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$V o l u m e o f t h e W a t e r = 25 \times 9 \times 2 = 450 m^{2} T h e r a d i u s o f C y l i n d e r, r = \frac{10}{2} = 5 m A c c o r d i n g t o Q u e s t i o n, W e c a n w r i t e T h e V o l u m e o f C y l i n d e r = {πr}^{2} h \Rightarrow {πr}^{2} h = 450 \Rightarrow h = \frac{450}{{πr}^{2}} = \frac{450}{π \times 5^{2}} = \frac{18}{π}$

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If 2 men or 3 women or 4 boys can do a piece of work in 52 days, then the same piece of work will be done by 1 man . 1 woman and 1 boy in -

Created: 6 months ago | Updated: 5 days ago

48 days

36 days

45 days

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how many integers from 1 to 1000 are divisible by 30 bt not 16

Created: 6 months ago | Updated: 5 days ago

২৯

৩১

৩২

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after been dropped a certain ball always bounces back to 2/5 of the height of its previous bounce.after the first bounce it reaches a height of 125 inches .how heigh will it reach after four bounce

Created: 6 months ago | Updated: 6 days ago

৮

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The sum of principal and simple interest of a certain amount of money would be Tk. 460- after 3 years from now and Tk. 500 after 5 years from now. What is the total interest rate?

Created: 6 months ago | Updated: 5 days ago

৫%

১২%

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২০%

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475

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In a zoo, there are Rabbits and Pigeons. It heads are counted s, there are 200 and if legs are counted there are 580. How many pigeons are there ?

Created: 6 months ago | Updated: 6 days ago

৯০

100

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469

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If 2 men or 3 women or 4 boys can do a piece of work in 52 days, then the same piece of work will be done by 1 man . 1 woman and 1 boy in -

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