At present the sum of the number of stud...

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?

5314

2900

3000

none of these.

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At the present the sum of the number of students in All M.S.K in a district is 3993. if the number of students increased in a year was 10% of its previous year, calculate the sum of the number of students 3 years before in all the M.S.K in the district.

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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.

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