self Maths Puzzle

what is the remainder when 2^39 is divided by 39
a) 2
b) 8
c) 1
d) 37

Read Solution (Total 8)

self Other Question

A well with 14 m inside diameter is dug 10 m deep. Earth taken out ofit, has been evenly spread all around it to a width of 21m to form an embankment. The height (in metres) of the embankment is: Ina single throw of two dice, what is the probability that neither a doublet nor a total of 8 will appear?
a)7/15
b)5/18
c)13/18
d)3/16