JEE Previous Year Question
The total number of three digit and five digit integers which can be formed by using the digits but using each digit not more than once in each number is
Topic: JEE PYQ
Answer: C. Full step-by-step solution below.
- A100
- B600
- C700
- D800
Correct answer: C
Solution
(c) Given numbers areTotal number of three - digit numbers
Total number of five - digit numbers
Total numbers
More Permutations & Combinations PYQs
- Number of numbers of the form xxyy which are perfect squares of a natural number.
- Let < < < < be positive integers such that + + + + …
- The number of triangles whose vertices are at the vertices of a regular octagon but none of whose sides is a side of the octagon i…
- The number of ways, 5 boys and 4 girls can sit in a row so that either all the boys sit together or no two boys sit together, is
- If stands for , then…