Question
A bag holds a total of 7 balls, consisting of 3 red
balls and 4 black balls. If two balls are randomly drawn from the bag without replacement, what is the probability that both selected balls are red?Solution
Required probability =Â 3C2Â Ă·Â 7C2 = (3/21) = (1/7)
Hard : Stone :: Soft : ?
Select the related word/letters/number/ figure from the given alternatives.
834 : 225 : : 372 : ?
- Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on the whole...
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 t...
 Choose another pair of words with the same relationship as the one given below.
Wasp: Sting::Â Dog:?
Select the option that is related to third letter- cluster in the same way as the second – letter cluster is related to the first letter- cluster.
...- If 359 = 135, 482 = 64, 571 = 35, then 624 = ?
If C = 3 and TIMES = 66, then MARKET =
'Ascend' is related to 'Descend' in the same way as 'Grant' is related to '____'.
(The words are ordinary English words and the relationship is s...Lawyer : Court :: Chef : ?