Consider the following pairs:
Which of the above-given pairs is/are incorrect?
All are correctly matched. The Karun is the Iranian river with the highest water flow, and it’s the only navigable river.
Find the quantity of arrangements of the letters of the word INDEPENDENCE if all the vowels always occur together?
In how many ways can 4 boys and 3 girls can be seated in a row so that they are in alternate position.
In a group of 5 boys and 4 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
How many ways can 8 women and 8 men be seated around a circular table where no two women can sit together?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
History books are never together.
Maria and Ariana were only two girls participating in a Billiards tournament. Every Participant played two games with every other participant. The numb...
Among a set of 4 black balls and 3 white balls, how many selections of 3 balls can be made such that at least 2 of them are black balls?
8 students appear in an examination. In how many ways can the result be announced?
