Question

in a competitive exam, out of 270 students, 115 students scored grade A, 127 students scored grade B and 17 students just passed. Find the percentage of failures.​

Answer 1

Step-by-step explanation:

21×100/270%

=21×10/27%

=7×10/9%

=7.7%

Answer 2

Answer:

7.7%

Step-by-step explanation:

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