5% pupil  in a town died due to some diseases and 3% of the remaining  left the town. If 2,76,450 pupil are still in the town,  find the original  number of pupil in town

 

Asked by Wanibhutia1995 | 11th Jul, 2018, 07:35: PM

Expert Answer:

Let x be the original pupil in the town
Percentage of pupil died = r = 5%
Percentage of pupil remaining left the 
town = r = 3%
Now , Number of pupil in the town 
= 2,76,450

begin mathsize 16px style straight x open parentheses fraction numerator 100 minus 5 over denominator 100 end fraction close parentheses open parentheses fraction numerator 100 minus 3 over denominator 100 end fraction close parentheses equals 2 comma 76 comma 450
straight x equals 3 comma 00 comma 000
Hence comma space original space pupil space in space the space town space was space 3 comma 00 comma 000. end style

Answered by Sneha shidid | 12th Jul, 2018, 10:03: AM