Rama and Radha each had a set of marbles . rama said to radha 'if you give me 10 of your marbles then i shall have twice as many as you have' . radha said to rama ' if you give me 10 of your, i shall have thrice as many as you have' found the marbles that each possesses
Rama=R
Radha=A
A-10=1/2 * R
R-10=1/3 * A
then
2A-R=20
-A+3R=30 check those, then solve