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Find the volume, curved surface area and the total surface area of a hemisphere of radius 21cm?
19404cm³, 2772cm², 4158cm²
4158cm³, 5000cm², 4000cm²
20000cm³, 40000cm²,1000cm²
30000cm³, 2000cm²,5000cm²
The option which gets divided by 11, will be the answer Method to check – 19404 = add alternate number = 1+4+4 =9 0+9= 9 Find difference = 9-9=0 If difference is either 0 or divisible of 11 then number is divisible of 11.
Only 19404, 2772 and 4158 divisible by 11.
By: Amit Kumar ProfileResourcesReport error
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