1
JEE Main 2023 (Online) 10th April Evening Shift
Numerical
+4
-1
The sum of all the four-digit numbers that can be formed using all the digits 2, 1, 2, 3 is equal to __________.
Your input ____
2
JEE Main 2023 (Online) 10th April Morning Shift
Numerical
+4
-1
The number of permutations, of the digits 1, 2, 3, ..., 7 without repetition, which neither contain the string 153 nor the string 2467, is ___________.
Your input ____
3
JEE Main 2023 (Online) 10th April Morning Shift
Numerical
+4
-1
Some couples participated in a mixed doubles badminton tournament. If the number of matches played, so that no couple played in a match, is 840, then the total number of persons, who participated in the tournament, is ___________.
Your input ____
4
JEE Main 2023 (Online) 6th April Evening Shift
Numerical
+4
-1
The number of 4-letter words, with or without meaning, each consisting of 2 vowels and 2 consonants, which can be formed from the letters of the word UNIVERSE without repetition is __________.
Your input ____
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