A businessman bought a horse for 10 dollars and sold it for 20. He then bought the same horse for 30 dollars and sold for 40.
What is the businessman's total income from these two deals ?
10+10=20 dollars 10 dollar from each deal
A sum of Rs.2500 is lent out in two parts one at 12% and another one at 12.5%. If the total annual income is Rs.306, then what was the money lent at 12% and what at 12.5%?
A school has 35% students from Maharashtra, out of these 20% are from Mumbai. Find the total percentage of students from Mumbai?