1
JEE Main 2022 (Online) 25th July Morning Shift
Numerical
+4
-1
Change Language

The letters of the word 'MANKIND' are written in all possible orders and arranged in serial order as in an English dictionary. Then the serial number of the word 'MANKIND' is _____________.

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2
JEE Main 2022 (Online) 30th June Morning Shift
Numerical
+4
-1
Change Language

The number of 6-digit numbers made by using the digits 1, 2, 3, 4, 5, 6, 7, without repetition and which are multiple of 15 is ____________.

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3
JEE Main 2022 (Online) 29th June Evening Shift
Numerical
+4
-1
Change Language

The total number of four digit numbers such that each of first three digits is divisible by the last digit, is equal to ____________.

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4
JEE Main 2022 (Online) 29th June Morning Shift
Numerical
+4
-1
Change Language

Let b1b2b3b4 be a 4-element permutation with bi $$\in$$ {1, 2, 3, ........, 100} for 1 $$\le$$ i $$\le$$ 4 and bi $$\ne$$ bj for i $$\ne$$ j, such that either b1, b2, b3 are consecutive integers or b2, b3, b4 are consecutive integers. Then the number of such permutations b1b2b3b4 is equal to ____________.

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