What is the value of (10*8*6*4*2)/(9*7*5*3*1)?
(10 *8 * 6 * 4 *2) / (9 *7 *5 * 3 *1) =
10/5 * 6/3 * 2/1 * ( 8/9) ( 4/7) =
2^3 * 32 / 63 =
256 / 63
