Question
A bag contains 4 black balls, 6 white balls and 5 red
balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colour.Solution
Total number of balls in the bag = 4 + 6 + 5 = 15 Total possible outcomes = 15C2 = 105 Number of favourable outcomes = 4C2 + 6C2 + 5C2 = 6 + 15 + 10 = 31 Required probability = 31/105
This question consists of a pair of words which have a certain relationship to each other. Select the pair from the options which has the same relations...
Select the figure from the options that can replace the question mark (?) and complete the given figure
Five friends (A, B, C, D, and E) are sitting in a straight line all facing north. A is sitting to the immediate right of B. C is sitting to the immediat...
In a certain code language, 'NAME' is coded as '2473' and 'MEND' is coded as '7642'. What is the code for 'D' in the given code language?
The first two figures are related in a certain way. Choose the correct option to replace the question mark ‘(?)’ which has the similar relation with...
In a code language, 'TRAIN' is written as AITRS, and 'TRUCK' is written as UCTRP. How will 'CYCLE' be written in the same language?
The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown in the figures below. How would the paper look w...
Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below.
(The words must be consid...
Statements:
All plants are vegetables.
Some plants are poisonous.
Conclusions:
I. All vegetables are poisonous.
I...
Arrange the words given below in a meaningful sequence:
(1) Poverty
(2) Population
(3) Death
(4) Unemployment
(5) Disease
Relevant for Exams:
