15. The number of students appeared in the test examination is 1726. Among them, the ratio of te students who passed with distinction and in the first division were 4:57, 246 students were passed a
the second division and 50 failed, if 92 students passed in distinction.
(a) How many students were passed in the first division?
(b) How many students were passed in the third division?
(0) Find the ratio of the students who were passed in the second division and third division.
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