Decrease 850 in the ratio 17 : 6 and then increase the result in the ratio 5 : 9.
The given quantity = 850 and decrease in the ratio =17 : 6
The decreased quantity =6/17 x 850 = 300
Now, the quantity is increased in the ratio 5 : 9
The resulting quantity = 9/5 x 300 = 540
