Answers

2015-08-17T17:30:28+05:30
Check wether 217 is divisible by 3...... if not then b=3
0
2015-08-17T19:46:14+05:30
Given
217b is divisible by 3

sub b = 2
(217*2) / 3 = 434 / 3 = 144.66666
sub b = 3
(217*3) / 3 = 651 / 3 = 217

so b = 3

0