Question
If the diameter of a sphere is 42 cm, find the total
surface area of the sphere.Solution
ATQ,
Given: Diameter = 42 cm
Radius: r = 42/2 =21 cm
Formula: 
In the following question, select the missing number of the given series.
44, 72, 128, 240, ?, 912
Who is spouse of Z?
In a certain code, ARCHAEOLOGY is written as 33 and HISTORY is written as 21, then how will PSEUDOMONAS be written as?
Select the option in which the given figure is embedded. (Rotation is not allowed).
In the following question, select the related word pair from the given alternatives.
Poem: Poetry
How is Y related to W?
In a certain code language, ‘COLD’ is written as ‘FLOA’, and ‘WARM’ is written as ‘ZXUJ’. How will ‘HEAT’ be written in that languag...
In a certain code language, COMMENCE is written as CEENMMCO. How will COMPUTER be written as in the same language?
- Find the missing number in the diagram given below.
<... If all the persons are arranged alphabetical order in Row 2, from the left end to the right end, then how many persons remain unchanged from their previ...