Question
Two numbers are chosen at random without replacement from
the set of first 20 natural numbers. Find the probability that both the numbers are even.Solution
Total numbers = 20
Even numbers = 10
Required probability = ( 10 C 2 ) / ( 20 C 2 ) = 45 / 190 = 9/38
Statement: As per data provided by the education department, as many as 8,604 posts of Hindi teachers in primary schools and 1,500 in high school...
Statement: As per data provided by the education department, as many as 8,604 posts of Hindi teachers in primary schools and 1,500 in high schools are ...
Statement : Nearly 50 people were killed and many left injured in a stampede, which occurred at the time of heavy festival rush at the city’s Rai...
Statement:
School X which has hundreds of students, receiving regular complaints for the past few weeks that the food served in the student’s...
Statement : The increasing number of road accidents due to drunk driving is a major concern.
Courses of Action :
I. Strict laws sho...
Statement : Many farmers are unable to get fair prices for their produce due to a lack of direct market access.
Courses of Action :
Statement : The number of unemployed graduates is increasing every year.
Courses of Action :
I. The government should encourage sel...
In this question, there are two Statements (A) and (B). These Statements may either be independent causes or effects of independent cause or a common c...
Statement: Â Employee Y of a company is trying to defame the image of employee X of the same company by making false allegations about him to his manag...
Statement : To enhance acoustic system and improve lighting, Australia’s world-renowned Opera House is to undergo its first major renovation since b...
