Question
The theme for International Mother Earth Day, 2021 was
‘______’.Solution
The correct answer is B
Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
Geography books are always together.
A group consists of 11 boys and 9 girls. In how many ways can 7 boys and 5 girls be selected from the group?
In how many ways can 7 beads be arranged to make a necklace?
You have 4 distinct cubes and 2 distinct balls. Find the number of ways to arrange them such that all 4 cubes are not placed together.
- In how many ways can you arrange 3 identical cubes, 2 identical pens, and 1 ball such that all 3 cubes are not together?
There are 6 positions on a shelf. You have 3 identical pens and 3 distinct books. In how many ways can these articles be arranged such that all pens do ...
How many numbers of five digits may be formed with the digits 7, 2, 0, 0, and 1?
Find the number of ways to arrange each letter of the word 'COMMITTEE' such that all the vowels always come together.
- A school wants to form a committee of 5 students from 6 boys and 4 girls. How many ways can the committee be formed if it must contain at least 3 boys?
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