The simple interest on a certain sum of money at the rate of 5% p.a. for four years is Rs. 420. At what rate of interest, the same amount of interest can be received on the sum after two and half years? Continue reading →
During one year, the population of a town increased by 5% and during the next year, the population decreased by 5%. If the total population is 29925 at the end of the second year, then what was the population size in the beginning of the first year? Continue reading →
5% of the inhabitants of a village having died of malaria, a panic set in. During this, 20% of the remaining inhabitants left the village. The population is then reduced to 4750, Find the number of original inhabitants Continue reading →
If x and y are two positive numbers and x is 25% greater than y, what is the value of the ratio y/x? Continue reading →
If the simple interest on a certain sum for 1 year 3 months at 81/2% per annum exceeds the simple interest on the same sum for 8 months at 71/2% per annum by Rs. 45, then the sum is Continue reading →
