Rama kant has a gold coin of 150gms.He distributed 1/6,3/5 and 1/5 of the coin to his three daughters.Now how much gold is left with Rama Kant?
1/6 = 5/30
3/5 = 18/30
1/5 = 6/30
Altogether he has given them 29/30, leaving 1/30 of 150 gms.
1/30 * 150 = 150/30 = 5 grams