UPSC Government Jobs Exams Category

How many numbers greater than 4000 can be formed using the digits 2, 3, 4, 5, 6 when no digit is repeated?

Read Solution (Total 2)

72
9 years agoHelpfull: Yes(0) No(0)

ANS: 4!*3 + 5! = 192
9 years agoHelpfull: Yes(0) No(0)

UPSC Other Question

In how many ways can the letters of the word ‘MODESTY’ be arranged so that
(i) D and E are always together
(ii) D and E are never together.
How many numbers of six digits can be formed from the digits 1, 2, 3, 4, 5, 6 (no digit being repeated)? How many of these are not divisible by 5?