There are 720 permutations of the digits 1, 2, 3, ,4 ,5, 6. Suppose these permutations are arranged from smallest to largest numerical values, beginning from 123456 and ending with 654321. Then the digit in unit place of number at 267th position is________.

How many numbers can be formed from the digits 1, 2, 3, 4 when repetition is not allowed?

Find the three-digit odd numbers that can be formed by using the digits 1, 2, 3, 4, 5, 6 when the repetition is allowed.

How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, 6 if the digits can be repeated?

How many 2 digit even numbers can be formed from the digits 1, 2, 3, 4, 5 if the digits can be repeated?

How many even number between 3000 and 4000 can be formed by using the digits 1 ,2 , 3 ,4 ,5 , 6 ?)no repetitions being allowed ).

How many 6- digits even numbers can be formed from 2,3,5,3,4,5 alone ?

Among the 8! [permutations of the digits 1, 2, 3..., 8, consider those arrangements which have the following property. If we take any five consecutive positions the product of the digits in these positions is divisible by 5. The number of such arrangements is equal to a. 7! b. 2.(7!) c. 7C_4 d. none of these

How many two-digit even numbers can be formed from the digits 1,2, 3, 4, 5 if the digits can be repeated?

A number of four different digits is formed with the help of the digits 1, 2, 3, 4, 5, 6, 7 in all possible ways. Find how many such numbers can be formed ?