EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 8 - Permutation and Combination>AMU-AT (B.Tech.) 2017>Q 4

MEDIUM

AMU-AT (B.Tech.)

IMPORTANT

Earn 100

The number of words with or without meaning which can be made using all the letters of the word AGAIN. If these words are written as in a dictionary, then the $50^{th}$ word will be

50% studentsanswered this correctly

Important Questions on Permutation and Combination

EASY

AMU-AT (B.Tech.)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 8 - Permutation and Combination>AMU-AT (B.Tech.) 2017>Q 5

If

{}^{n}P_{4} = 20 \times {}^{n}P_{2} .

Then, the value of

n

is