Question : If the population of a town is 12,000 and the population increases at the rate of 10% per annum, then find the population after 3 years.

Option 1: 15,972

Option 2: 12,200

Option 3: 11,200

Option 4: 10,200

Question : The population of a village decreases at the rate of 40% per annum. If its population 2 years ago was 15,000, then find the present population.

Option 1: 5400

Option 2: 3500

Option 3: 4450

Option 4: 4400

Question : At what rate of compound interest (compounding annually) per annum will a sum of Rs. 250000 becomes Rs. 275625 in 2 years?

Option 1: 8% per annum

Option 2: 3% per annum

Option 3: 10% per annum

Option 4: 5% per annum

Question : Raja borrowed INR 15,000 on simple interest at the rate of 13% per annum and lent it on compound interest at the rate of 15% per annum, compounded annually. What is Raja's gain in two years?

Option 1: INR 1,080.00

Option 2: INR 1,125.00

Option 3: INR 937.50

Option 4: INR 865.50

Question : At present, the number of trees in a village is 52,020. It increases annually at the rate of 2%. What was the number of trees in the village two years ago?

Option 1: 45,000

Option 2: 51,250

Option 3: 50,000

Option 4: 48,000