Question
The outer radius of a hollow metallic spherical ball is
12 cm while the thickness of the metal used to make it is 6 cm. Find the volume of the metal used in making this ball.Solution
Inner radius of the ball= (12-6) =6cm Required volume= 4π/3 (12³ -6³) =4π/3(1728-216) = =4π/3 ×1512=2016π
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
HCE, MHJ, ?, TOQ, VQS, WRT
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
DI, GO, LU, OA, TG, ?
Four letter – cluster pairs have been given, out of which three are alike in some manner, and one is different. Select the one that is different.
In a certain code language, ‘VATT’ is coded as ‘65’ and ‘STOLK’ is coded as ‘79’. How will ‘GENEROUS’ be coded in that language?
...Select the correct option that will complete the given alphanumeric series:
BIY, D3W, ?, H7S, J9Q
Which of the following numbers will replace the question mark (?) in the given series?
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
First row - 4, 6, 13
Second row - 9,...
The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. Select the pair in which th...
Three of the following pairs of letters follow a certain rule/logic/relation and hence are alike in a certain way. Select the incongruous one from the g...
If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation?
81 × ...
