a four-digit numb
if a number is divisible by 55 than it must alsobe divisible by factors of 55 that is 5 and 11.∵ aabb is divisible by 5∴ by divisibility test of 5 b must be 0 or 5.therefore (c) option is correct.
tallies are usually marked in a bunch of 4. 4.8 db 4 answer: `4+1+(1)/(4)+(1)/(6)+...`
solution: n/a 4/5 quadrille, quadruple, quadruplet, quadrupled, quadruples, kibbles. answer: k=7 tw - st < sw < st + tw

4 < sw < 34 this holder is for #4 filters. it is: 48