JEE MainMathematicsPermutations and CombinationsNumerical+4 / −1
The number of 3-digit odd numbers, whose sum of digits is a multiple of 7, is .
Numerical answer
More from Permutations and Combinations
- Let A be a 3 3 matrix having entries from the set { 1, 0, 1}. The number of all such matrices A having sum of all the entries equal to 5, is .2022 · Numerical
- The total number of three-digit numbers, with one digit repeated exactly two times, is .2022 · Numerical
- The number of 5-digit natural numbers, such that the product of their digits is 36 , is .2022 · Numerical
- Numbers are to be formed between 1000 and 3000 , which are divisible by 4 , using the digits and 6 without repetition of digits. Then the total number of such numbers is .2022 · Numerical
- There are ten boys B1, B2, ......., B10 and five girls G1, G2, ........, G5 in a class. Then the number of ways of forming a group consisting of three boys and three girls, if both B1 and B2 together should not be the members of a group,…2022 · Numerical
- The total number of 3-digit numbers, whose greatest common divisor with 36 is 2, is .2022 · Numerical
- The number of ways, 16 identical cubes, of which 11 are blue and rest are red, can be placed in a row so that between any two red cubes there should be at least 2 blue cubes, is .2022 · Numerical
- Let A be a matrix of order 2 2, whose entries are from the set {0, 1, 2, 3, 4, 5}. If the sum of all the entries of A is a prime number p, 2 < p < 8, then the number of such matrices A is .2022 · Numerical