10.5% of 78642 = ?
ixamBee approach: 10% of 78642 =7864.2……..(i) 0.5% of 78642 = 393.21…….(ii) By adding (i) and (ii), we het the answer = 8257.41 (Please refer to “Beat the Time” videos for learning multiplication by 11 to 19 in a single step and more such shortcut tricks for calculation) Conventional approach: 105% of 78642 = `105/100xx` 78642 = `(21xx39321)/10` =`825741/10` = 8257.41
