self Maths Puzzle

A land has been taken for lease of 99 years if two-third of the period has passed away which is equal to the four-fifth of the remaining period
so how many years are there still?

Read Solution (Total 2)

self Other Question

is this a leap year?
stm1:that year starts with tuesday
stm2:that year ends with monday
the positive square root of 123454321 is..???