top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

How many elements of the set {1!, 2!, 3!, ....2015!} are even numbers?

0 votes
677 views

Answer without calculation?

posted Jul 13, 2015 by Salil Agrawal

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

3 Answers

0 votes

2014 as each term contains 2 except 1

answer Jul 13, 2015 by Shiva Gurram
0 votes

2014 elements are even numbers

answer Oct 10, 2015 by Sush
0 votes

Answer:
...........2014 elements are even numbers
As,
from 2! to 2015! each term contains 2
so, 2014 elements are even
but 1! is not an even number..

answer Oct 13, 2017 by Mogadala Ramana



Similar Puzzles
0 votes

The sum of 3 single digit numbers is 15 less than their product . If we subtract 2 from first given number then sum of these numbers will become 7 more than their product. Then what will be the product of given 3 numbers?

+2 votes

How many ways are there to pick 2 squares of different colors?

two squares

...