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Ask & Answer»Class X»Math»Surface Areas and Volumes
sulaksh asked this question on Class X » Math » Surface Areas and Volumes

A cylinderical container with base diameter 56 cm contains sufficient water to submerge a rectangular solid of iron of dimensions 32 cm . 22 cm . 14 cm Find the rise in the water level when the solid is submerged.

Asked by sulaksh(student), on 10/3/10
Answers

Is the answer 2.19 cm?If it is then I can give you the solution

Posted by NITIN(student), on 10/3/10

sorry but answer is 10.8% and i also dont know the solution.

Posted by sulaksh(student), on 10/3/10

It is in %.Wait I'm calculating %

Posted by NITIN(student), on 10/3/10

WHATS YOUR ANS.

Posted by sulaksh(student), on 10/3/10

I got height raised = 2.19 cm approx

I got previous height = 4.38 approx

Now can you calculate the rest?

Posted by NITIN(student), on 10/3/10

how u got that.

Posted by sulaksh(student), on 10/3/10

sulaksh... i think the ans is 4cm

Posted by shahbaz_ahmed01(student), on 10/3/10

how plz tell i m not getting anything.

Posted by sulaksh(student), on 10/3/10

shabazahmed is right . the ans is 4cm

Here is THE SOLUTION

LET h BE THE RISE IN WATER LEVEL .

AND, VOLUME OF THE SOLID CUBOID = VOLUME OF THE WATER RAISED. THE PORTION OF THE WATER RAISED WILL  BE IN THE SHAPE OF A CYLINDER ITSELF OF HEIGHT h.

  32*22*14 = 22/7 * 28*28 *h

  h  =  4cm

Posted by arty2494(student), on 10/3/10

 the printed answer must be wrong! cz my answer too is comin 4cm!

Posted by gull0210(student), on 10/3/10

 how can u cal. in % ????

Posted by gull0210(student), on 10/3/10

Shahbaz is right and I am also right.I got that answer because it calculated in decimals.

Posted by NITIN(student), on 10/3/10
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