Total surface area = 231 cm2 Curved surface area = 2/3 x 231 = 154 cm2 Curved surface area of cylinder = 2πrh ⇒ 2πrh = 154 ⇒ 2 × (22/7) × r × h = 154 ⇒ r × l = 24.5 Total surface area of cylinder = 2πr(r + h) ⇒ 2πr(r + h) = 231 ⇒ r(r + h) = 36.75 ⇒ r2 + rh = 36.75 ⇒ r2 = 36.75 - 24.5 ⇒ r2 = 12.25 ⇒ r = 3.5 cm Volume of cylinder = πr2h ⇒ π × r × (r × h) ⇒ π × 3.5 × 24.5 ⇒ 269.5 cm ∴ The volume of the cylinder is 269.5 cm3 .
In each of the following questions, choose that set numbers from the four alternative sets, that is similar to the given set.
Given set: [...
In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
<...Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related to...
Select the option that is related to the fifth term in the same way as the second term is related to the first term and fourth term is related to third ...
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related to...
Select the option that is related to the third number in the same way as the second number is related to the first number.
55 : 86 :: 37 : ?
Select the option that is related to the third term in the same way as the second term is related to the first term.
GAYH : IYWJ :: FBAO : ______
Select the option that is related to the third term in the same way as the second term is related to the first term.
UGLY: WJNB :: WALK:?
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
