Increase 1200 in the ratio 2 : 3 and then decrease the resulting number in the ratio 10 : 3.
The given quantity = 1200 and increase in the ratio is 2 : 3
The increased quantity = 3/2 x 1200 = 1800
Now, the quantity is decrease in the ratio 10 : 3
= 3/10 x 1800 = 540
