26) Rs. 80000 value of property divided among three friends in ratio.
27) The average of 10 numbers is zero. Of them, at the most, how many may be greater than zero?
28) Aslam feed the wild birds in his garden with bird seed placed in three feeders. Two of these
containers have the same capacity, each holding 150 grams of seed, whilst the third feeder holds
450 grams of seed. His seed storage bin contains 9 kilograms of seed. Because more birds can visit
the large container, it takes the same amount of time to become empty as the smaller ones, and
all three containers have to be refilled every second day.
How many days will he be able to feed the birds for?