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vvkkvv's posts
vvkkvv replied to Special Tricks for CAT 2011
One correction. If
Last non-zero digit of 10! = 8
then the last non-zero digit of 20! = 8x8x2 (this 2 comes from 20)=8
Last non zero digit of 70!= last non zero digit of (8^7) x2x3x4x5x6x7
http://www.pagalguy.com/forum/quantitative-questions-and-answers/55747-cat-2010-concepts-fundas...