Square root short cut


Ans : 93


Trick:



  •     Just take the middle number between two multiply number Here " 92" & " 94 ". OR


Take √ last number 1 is 1.Now add on 1st number 92+1=93 or substract from 2nd number 94-1=93



Ans :  46


Trick:



  •     Just take the middle number between two multiply number Here " 43" & " 49 ". OR


 Take √ last number 9 is 3.Now add on 1st number 43+3 = 46 or substract from 2nd number 49-3 = 46