JEE MainMathematicsPermutations and CombinationsNumerical+4 / −1
The number of words (with or without meaning) that can be formed from all the letters of the word “LETTER” in which vowels never come together is .
Numerical answer
More from Permutations and Combinations
- Total number of 6-digit numbers in which only and all the five digits 1, 3, 5, 7 and 9 appear, is :2020 · MCQ
- The number of ordered pairs (r, k) for which 6.35Cr = (k2 - 3). 36Cr + 1, where k is an integer, is :2020 · MCQ
- An urn contains 5 red marbles, 4 black marbles and 3 white marbles. Then the number of ways in which 4 marbles can be drawn so that at the most three of them are red is .2020 · Numerical
- If a, b and c are the greatest value of 19Cp, 20Cq and 21Cr respectively, then :2020 · MCQ
- The number of 4 letter words (with or without meaning) that can be formed from the eleven letters of the word 'EXAMINATION' is .2020 · Numerical
- If the number of five digit numbers with distinct digits and 2 at the 10th place is 336 k, then k is equal to :2020 · MCQ
- All possible numbers are formed using the digits 1, 1, 2, 2, 2, 2, 3, 4, 4 taken all at a time. The number of such numbers in which the odd digits occupy even places is :2019 · MCQ
- The number of four-digit numbers strictly greater than 4321 that can be formed using the digits 0,1,2,3,4,5 (repetition of digits is allowed) is :2019 · MCQ