Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Permutations and Combinations question

2021 · 26 Feb · Shift 1 · Q27
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Permutations and Combinations
  5. /2021 · 26 Feb · Shift 1 · Q27

Permutations and Combinations question

2021 · 26 Feb · Shift 1 · Q27

JEE MainMathematicsPermutations and CombinationsMCQ+4 / −1
The number of seven digit integers with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only is :
  1. A
    35
  2. B
    42
  3. C
    82
  4. D
    77
PreviousNext

More from Permutations and Combinations

  • A natural number has prime factorization given by n = 2x3y5z, where y and z are such that y + z = 5 and y − 1 + z − 1 = 65​, y > z. Then the number of odd divisions of n, including 1, is :2021 · MCQ
  • A number is called a palindrome if it reads the same backward as well as forward. For example 285582 is a six digit palindrome. The number of six digit palindromes, which are divisible by 55, is ​.2021 · Numerical
  • Let S = {1, 2, 3, 4, 5, 6, 9}. Then the number of elements in the set T = {A ⊆ S : A eϕ and the sum of all the elements of A is not a multiple of 3} is ​.2021 · Numerical
  • 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