Rina’s house is at a stone’s throw from the school.
If some place is “at a stone’s throw,’ it is at a very short distance.
In how many different ways can 6 teachers and 5 students be seated in a row so that they sit alternately?
There are 10 boys and 15 girls in the commerce class. Three students are selected at random. The probability that two girls and one boy are selected is.
In how many different ways can the letters of the word ‘VARIOUS’ be arranged in such a way that the vowels occupy only the odd positions?
...In an election a voter can vote for any number of candidates not exceeding the number to be elected There are 7 candidates and 4 members to be elected H...
A team of 4 men and 2 women is to be selected out of 8 men and 4 women. If only one man and one woman remain in the team, then what will be the total nu...
A Consignment of 12 mobile phones contains 4 defectives. The mobile phones are selected at random one by one and examined. The ones examined are not pu...
Akshay has 7 relatives, 3 males and 4 females. His wife twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male an...
Among a set of 6 black balls and 3 white balls, how many selections of 5 balls can be made such that at least 3 of them are black balls?
Maria and Ariana were only two girls participating in a Billiards tournament. Every Participant played two games with every other participant. The numb...
11 people decided to spend an afternoon in two groups. A group of them decided to go to the theater and the remaining decided to play tennis. In how man...
