exam Maths Puzzle Numerical Ability

Which label describes the following? 2x^2 - 1 = 0

A) Linear equation B) Equation which is not linear C) Expression

Read Solution (Total 0)

exam Other Question

12(y+5)=13y=2 you need to select a 4 character password for a computer account. Any digit 0-9 and any letter A-Z can be used for a character, and digits and letters can be repeated. How many possible passwords are there?