Finding a percentage of a given number

Study the following bar graph and answer the questions given below. The number of boys in school B is what percentage of the total number of students in that school ?

Hence, the total number of students e 12. Anumber is increased by 20% and then decreased by 20%. Find the notice or decrease per cent? the given number bex

The percentag increases in the total number of students of a school over that in the previous year. Find the effective percentage increase in the number of students from 1998-1999 to 2000-2001.

Complete the given reaction and find the percentage weight of carbon in the product.

Complete the given reaction and find the percentage weight of carbon in the product.

The given pie-chart represents the percentage of students enrolled in five different sports. The total number of students is 2800. If 24 students playing cricket are shifted to Kabaddi, then find the new ratio of the number of students in Cricket to those in Kabaddi.

The following table show the total number of mails received in inbox by different users and the percentage o mails read by the users and the ttoal number of spam reveived in month. Note : The spam mails didn't read by the users. The total number of mails recevied in Inbox +Total number of spam mails received. ''-'' indicates thaty you have to find the answer accroding to the question they asked. Find the total number of mails read by all the given user, if the percentage of mails read by P Mathur is 66%.

A number is increaesd bt 20% given 30. the number is