exam
Maths Puzzle
Numerical Ability
solve x^2-7x-3=0 for x.
Read Solution (Total 0)
exam Other Question
David has collected $6.50 in nickels and dimes. If he has 75 coins, how many of each kind of coin does he have?
(x+1)(x+2)>x(x+1)=0
(x+1) (x+2)>(x+1)-x=0
2(x+1)>-x=0
-x=2