Kathmandu, Dec 5: The price of gold and silver has decreased slightly today as compared to Thursday.According to the Nepal Gold and Silver Dealers' Association, the price of gold is Rs 252,400 per tola (11.66 grammes) today, while the price of silver has been set at Rs 3,555 per tola today.On Thursday, the price of gold was set at Rs 253,300 per tola, while silver was traded at Rs 3,625 per tola.According to international media, gold is being traded at 4,240 US dollars and the same quantity of silver at 58 US dollars per ounce in the international market today....