Which Indian cricketer is known as "Brown Bradman"?
Which of the following Pair are not parent and child who have both won the Nobel prize?
Who was the first women nominated member of Rajya Sabha of India?
Who is the first women boxer to be honoured with the Rajiv Gandhi Khel Ratna Award?
5G: What is meant by service based architecture (SBA) and service based interfaces ?
When was the Rowlatt Law passed?
What is the effects of melting ice caps?
Termnology in english
What city, heavily bombed in the Spanish Civil War, was featured in a painting by Picasso?
Where did Pope Benedict XVI make his first visit as Pope?
A group of students has 3 boys and 6 girls. Two are chosen at random to represent the school in a spelling competition. Find the probability that both are girls.
Total number of ways to select two students = 9C2 = 36
Total number of ways to select two girls from 6 gals = 6C2 = 15
Probability = 15/36= 5/12
There are 8 boys and 5 girls in a class. If four students are selected at random, what is the probability that 2 girls and 2 boy are selected?
There are 12 boys and 9 girls in a class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?
In a school there are 650 students. The ratio of the boys to that of the girls is 8:5. How many more girls should join the school so that the ratio becomes 4:3
6 playing cards were choosen randomly from the pack getting 2 spades, a heart and 3 clubs. What is the probability of getting a club in the next 6 'choose'?
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