JEE MainMathematicsPermutations and CombinationsNumerical+4 / −1
Let S = {1, 2, 3, 4, 5, 6, 9}. Then the number of elements in the set T = {A S : A and the sum of all the elements of A is not a multiple of 3} is .
Numerical answer
More from Permutations and Combinations
- Let n be a non-negative integer. Then the number of divisors of the form "4n + 1" of the number (10)10 . (11)11 . (13)13 is equal to .2021 · Numerical
- The number of six letter words (with or without meaning), formed using all the letters of the word 'VOWELS', so that all the consonants never come together, is .2021 · Numerical
- If the letters of the word 'MOTHER' be permuted and all the words so formed (with or without meaning) be listed as in a dictionary, then the position of the word 'MOTHER' is .2020 · Numerical
- Let n > 2 be an integer. Suppose that there are n Metro stations in a city located along a circular path. Each pair of stations is connected by a straight track only. Further, each pair of nearest stations is connected by blue line,…2020 · MCQ
- The value of (2.1P0 – 3.2P1 + 4.3P2 .... up to 51th term) + (1! – 2! + 3! – ..... up to 51th term) is equal to :2020 · MCQ
- The total number of 3-digit numbers, whose sum of digits is 10, is .2020 · Numerical
- A test consists of 6 multiple choice questions, each having 4 alternative answers of which only one is correct. The number of ways, in which a candidate answers all six questions such that exactly four of the answers are correct, is …2020 · Numerical
- The number of words, with or without meaning, that can be formed by taking 4 letters at a time from the letters of the word ’SYLLABUS’ such that two letters are distinct and two letters are alike, is :2020 · Numerical