As a result of publicity on against smoking the number of smoker is decreased by `6 1/4%` every year in comparison to its previous year. If the number of smokers at present in a citgy is 33,750 then find the number of smokers in that city 3 years before.

As a result of publicity on smoking, the number of smoker is decreased by 6 1/4% every year in comparison to its previous year. If the number of smokers at present in a city is 33750 find the number of smolers in that city 3 years before.

Throught the publicity of road safety programme, the street accidents are decreased by 10% in comparison to its previous year. If the number of street accidents in this year in this year be 8748,then find the number of street accidents 3 years before.

As a result of Sarba Siksha Abhiyan the students leaving the school before completion, are re-admitted, so the students in a year is increased by 5% in comparison to its previous year. If the number of such re-admitted students in a district be 3528 in the present year. Find the number of students re -admitted 2 years before in this manner.

Through the poublicity of road -safety programme, the street accidents in Purulia district are decreased by 10% in comparison to its previous year. If the number of street accidents in this year be 8748, then find the number of street accidents 3 years before in the district.

As a result of continuous publicity on harmful reactions in the use of cold drinks filled bottles, the number of users of cold drinks is decreased by 25% every year in comparison to its previous year, 3 years before number of users of cold drinks in a town was 80000. Find the number of users of cold drinks in the presnet year.

As a result of sarba Siksha Abhiyan, the students leaving the school before completion, the students are readmitted, so the students in a year is increased by 5% in comparison to its previous year. If the number of such readmitted students in a district be 3,528 in the present year, then find the number of students readmitted 2 year before in this manner.

Through the publicity of road safety programmes the street accident in a state has been decreased by 10% in comparision to its previous year. If the present year if the number of street accidents be 2916, then find the number of street accidents that had been in the state 3 years before.

At present the sum of the number of students in all the secondary institutions in a district is 3993. If the number of students increased in a year was 10% of that in the previous year, then find the sum of the number of students in all the secondary institutions in the districts 3 years before?

The population of a city increases by 5% per annum. If the present population of a city be 370440 then what was its population before 3 years?

This year the number of blood donners in a hospital is 24000. If the number of blood donners increases by 5% in every 6 months, then in how much time will the number of blood donners be 27783?