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Performance of 1800 students in grades has been shown in the following pie chart. The number of students getting grade B is what percentage of the number of students getting grade A?

The pie-chart shows the percentage-wise distribution of the number of students in five different schools P, Q, R. S and T. The total number of students in all five schools together is 10,500 The number of students in school R is what percent of the total number of students in schools Q and T together?

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