if 1/2 of the money in a certain trust was invested in stocks, 1/4 in bonds, 1/5 in a mutual fund, and the remaining Tk. 10,000 ina government certificate, what was the total amount of the trust fund?

Correct Answer: 2,00,000
Portion invested in government certificate = 1 - ( 1/2 + 1/4 + 1/5) = 1 - ( 10 + 5 + 4) /20 = 20 - 19/20 = 1/20 1/20 portion = 10, 000 1 portion = 10, 000 ×20/1 = 2, 00, 000