top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

If repetition of numbers is not allowed then how many numbers of five digits can be formed by using 1,2,3,4,5...........

0 votes
193 views

If repetition of numbers is not allowed then how many numbers of five digits can be formed by using 1,2,3,4,5.
If 4 is necessarily taken at hundred's place and 2 is not allowed at unit's place

posted Jan 22, 2016 by Amarvansh

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

2 Answers

0 votes

Ans :18 numbers of five digits can be formed.
01) 12435
02) 12453
03) 13425
04) 15423

#

05) 21435
06) 21453
07) 23415
08) 23451
09) 25413
10) 25431

#

11) 31425
12) 32415
13) 32451
14) 35421

#

15) 51423
16) 52413
17) 52431
18) 53421

answer Jan 22, 2016 by Jaikumar Bhatia
0 votes

answer=15120

answer Jan 31, 2016 by Mahendra Kumar Patel



Similar Puzzles
+1 vote

How many numbers of five digits can be formed by using 1,2,3,4,5, if 4 is necessarily taken at hundred's place and 2 is not allowed at unit's place.
Repetition of number is not allowed.

+1 vote

How many numbers can be formed from 1, 2, 3, 4, 5 (without repetition), when the digit at the units place must be greater than that in the ten's place?

...