75/100=3/4 80/100=4/5 16/100=4/25 15/100=3/20
Dams are used to store water which otherwise is wasted away into the Arabian sea. This water could then be used for agricultural purposes and electricity production. Dams are also used to hold the water which may have had overflown into cities and caused destruction. Other than that dams may also be used for recreational … Read more
Actually the factors of this equation would be complex or iota.
90 combinations can be made from these digits as every digit is to be joined with other 9 digits and there are a total of 10 digits. So 9 times 10 is 90.