Question

9) What was the overall percentage of
students passed with respect to the
number of students appeared from all
the schools together in 2013?
O 74%
O 75%
O 76%
O 72%​

Answer 1

Answer:

(i) Given (3/8), (5/8) (5/8) – (3/8) = (5 – 3)/8 = (2/8) = (1/4) (ii) Given (-7/9), (4/9) (4/9) – (-7/9) = (4/9) + (7/9) = (4 + 7)/9 = (11/9) (iii) Given (-2/11), (-9/11) (-9/11) – (-2/11) = (-9/11) + (2/11) = (-9 + 2)/ 11 = (-7/11) (iv) Given (11/13), (-4/13) (-4/13) – (11/13) = (-4 – 11)/13 = (-15/13)