Question
A person has 12 friends out of which 7 are relatives. In how many ways can he invite 6 friends such that at least 4 of them are relatives?
More Permutation and combination Questions
- From a pool of 9 science students and 5 commerce students, a group of 8 students is to be selected. Find the number of ways to form the group such that at ...
- In how many ways Barcelona’s football team captain and vice-captain be elected from a team of 15 men?
- A box contains 2 blue, 3 black and 5 orange balls. In how many ways can 3 balls be drawn from the box, if at least 1 black ball is to be included in the dr...
- In how many different ways can the letters of the word “MONDAY” be arranged in such a way that the vowels always come together?
- From the digits 1, 2, 3, 4, 5, 6 and 7, how many 4‑digit even numbers can be formed without repetition?
- How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
- How many words can be formed with the letter of the word ‘NUMBER’ when alll vowels are never together?
- In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be chos...
- What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
- A group consists of 10 boys and 10 girls. In how many ways can 6 boys and 4 girls be selected from the group?
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)