Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/searchResponsive.php on line 43
Warning: include(./views/auth.php): failed to open stream: Permission denied in /var/www/html/live/loginRightSlider.php on line 18
Warning: include(): Failed opening './views/auth.php' for inclusion (include_path='.:/usr/share/php') in /var/www/html/live/loginRightSlider.php on line 18
A student was asked to find the arithmetic mean of the
following 12 numbers:
3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and X
He found the mean to be 12. The value of X will be:
A
3
B
7
C
17
D
31
Total Response
SSC Banking Railways
Write a comment
Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 893
Get the App
Download the Study24x7 App, so you can connect and collaborate.
Most Related Articles
Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepostRltdArtcl.php on line 8
