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Accelerate JEE 2020: Permutation & Combination Class 1 (09.09.2019)

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Question 1

Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Determine the number of words which have at least one letter repeated.

Question 2

How many ways are there to arrange the letters in the word GARDEN with the vowels in alphabetical order?

Question 3

The number of integers greater than 6,000 that can be formed, using the digits 3, 5, 6, 7 and 8, without repetition, is:

Question 4

The letter of the word ‘EQUATION’ are arranged in all possible ways such that the consonants are in consecutive positions. Find the number of possible arrangements.

Question 5

Find the ratio of number of three digit odd number to three digit even numbers formed using the digits and.
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May 15JEE & BITSAT