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Get access to the detailed solutions to the previous years questions asked in CMAT exam.
Let the number of boys be 4x and number of girls be 6x
Given, 4x+6x = 50
x = 5
Number of boys = 20 and number of girls = 30
Average marks of girls = 60
Total marks scored by girls = 60 30 = 1800
Average marks score by batch = 62
Total marks scored by batch = 62 50 = 3100
Marks scored by boys = 3100 - 1800 = 1300
Average marks of boys = 1300/20 = 65
Answer is option D.