book Maths Puzzle Numerical Ability

Two positive numbers differ by 28. Their square roots differ by 2. Find the numbers.

Read Solution (Total 0)

book Other Question

Draw a digram to illustrate the following please
a.multiplyu by 4 add5
b.add 1 multibly by 3
c. add5 multiply by4
d. multiply by 3 add 1 Eliminate X3. Solve for Y.

(A-Y)*(X1-Y-X3)=B*Y
(X2-X3)*(X1-Y-X3)=C*X3

I have solved the 1st equation for Y, and the 2nd for X3. Then substituted the 2nd solution for X3 in t