Question
A right circular cylinder having total surface area of
2833.6 cm2 is immersed in a vessel completely filled with water. If the height of the cylinder is 30% more than its radius, what is the amount of water displaced (in cm3)?Solution
Let the radius and height of the cylinder be r and h cm respectively. ∴ h = 1.30r Total surface area of the cylinder = 2833.6 = 2πr(h + r) ∴ 2833.6 = 2πr(1.3r + r) = 2πr(2.3r) = 4.6πr2 ∴ 2833.6 = (9.2/2) × (22/7) × r2 = 2833.6 x 7 x 2/22 x 9.2 ∴ r2 = 196 ∴ r = 14 and h = 18.2 Amount of water displaced = Volume of the right circular cylinder = πr2h = (22/7) × (14)2 × (18.2) = 11211.2 cm³
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
In the following question, select the missing number from the given series.
60, 64, 72, 88, 120, ?
If a mirror is placed on the shaded line, which of the following options is the correct reflection of the given shape?
Which of the following numbers will replace the question mark (?) in the given series?
13, 21, ?, 69, 133
Which one of the following does not belong to the series?
Abz, Bcy, Cdx, Dew, Efr
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
What should come in place of? in the given series based on the English alphabetical order?
BLS, FJQ, JHO, NFM, ?
If A means '–', G means '×' D means '÷' E means '+', then what will come in place of the question mark (?) in the following equation?
18 E 27...
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
P _ A A _ _ Z A _V _ _ A _ _
If POSITIVE is coded as OPISITEV in a certain coded language, then how will be MODERATE coded in that language?
Relevant for Exams:
