self Maths Puzzle

1,11,21,1211,111221,?

Read Solution (Total 2)

self Other Question

8men and 10women can do work in 25 days,the same work can be done by 10children and 5 women.in how many days can 2 children and 3 men do the same work. 12) What is the greatest possible length of scale to measure exactly the following lengths.
20 Feet , 13 Feet 9 inches , 17 Feet 6 inches , 21 feet 3 inches.