Question

The average of marks scored by the students
of a class is 68. The average of marks of the
girls in the class is 80 and that of boys is 60.
What is the percentage of boys in the class?
(S.S.C. 2005)
(a) 40%
(b) 60%
(c) 65%
(d) 70%​

Answer 1

इतनी मेहनत से मैंने आपको क्वेश्चन सोल गया है अब तो ब्रिलिएंट मार्क बनता ही है