exam
Maths Puzzle
Numerical Ability
Solve each equation. If a solution is extraneous, so indicate.
(5)/(2z+z-3)-(2)/(2z+3)=(z+1)/(z-1)-(1)
Read Solution (Total 0)
exam Other Question
-(3-10)-(6-3)
My answer is not coming out correctly.
Please see my version-
-(3+(-10))-3=
-(-7)-3=
-(-7)+(-3)= -13
The textbook gives the answer as 4. Where am I going wrong?
Thank you.
By how much must 100 be multiplied or divided so that whether the number obtained is divided by 5 or by 7, there will be a remainder of 1, and so that at the same time the first qu