Question
The sum of the radius and height of a cylinder is 42m.
The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?Solution
Surface area of the cylinder = 5544 m². ⇒ 2 πr ( r + h ) = 5544 m² ⇒ 2 × 22/7 × r × 42 = 5544 m² ⇒ r = (5544 × 7 )/(2 × 22 × 42) = 21 ∴ h = 42 - 21 = 21m ∴Volume of the cylinder = πr² h = 22/7 × 21 ×21 × 21 = 29106 m³
If 51 @ 24 = 9' and 56 @ 22 = 8', then 72 @ 32 = ?'. What will come in place of question mark?
Select the option in which the numbers are related in the same way as are the numbers of the following sets.
(8, 5, 43)
(6, 3, 21)
...Choose the word which is different from the rest
Select the option that is related to the third word in the same way as the second word is related to the first word.
Chichen Itza : Mexico :: ...
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is relat...
‘Experimenter’ is related to ‘Lab’ in the same way as ‘Chef’ is related to ‘_________’.
Select the option that is related to the fourth term in the same way as the irst term is related to the second term.
ENWQ: DPTU :: CBUT : ?
If D = 12, AGE = 39, then ‘JADE’ will be equal to?
Audacious : Courageous : : Deflate : ______.
Select the option that is related to third number-cluster in the same way first and fifth number-cluster is related to second and sixth number-cluster....
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