book Maths Puzzle Numerical Ability Ratio and Proportion

3x:42=4:7, find x.

Read Solution (Total 2)

book Other Question

Q. Solve by cross multiplication method;
4x+7y=10 and 10x-35/2y=25
Verify if x=3 and x=-3 are the solutions of equation
2x-1/3-2/3=1.