self Maths Puzzle

100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300 ALL OF THIS YEAR IS LEEP YEAR OR NON LEEP YEAR

Read Solution (Total 5)

self Other Question

a square with side 5cm mid pt of the sides are joined to form another square if this process is repeated find perimeter of 9th square if z(n)=2s(n)+41 where s(n)=sum of first n natural nos find lowest no for which z(n) is prime??
a)6 b)7 c) 40 d)z(n) is always prime