exam Maths Puzzle Numerical Ability

Hello,

could you show me how to write the series 1+(1/2)+(1/4)........(1/4096) in sigma notation.

I havent dont this in some time.

Regards.

Len.

Read Solution (Total 0)

exam Other Question

I HAVE $1.00 IN MY POCKET IT IS ALL IN COINS.
TOTAL COINS IS 50.
I HAVE 50 COINS IN MY POCKET WHICH IS EQUAL TO $1.00. WHAT IS THE BREAK DOWN OF COINS THAT I HAVE? HOW MANY OF EACH ?
Use the Substitution method to solve the system of equations.

y - 2x = -5
3y - x = 5