Recognize 11's

Level pending

Without using the calculator or divisibility rule for 11, can you point out a multiple(s) of 11 by means of evaluating the number or just recognizing it? How many of them are multiples of 11? Answer it within a half of a minute. \italics\bold\array(121, 385,143,1331, 891, 793, 1067, 925)

×

Problem Loading...

Note Loading...

Set Loading...