The mean marks (out of 100) of boys and girls in an examination are 70 and 73 respectively. If the mean marks of all the students in the examination is 71, find the ratio of number of boys to the number of girls.
(A) 1:1
(B) 2:1
(C) 1:2
(D) 2:3
The mean marks (out of 100) of boys and girls in an examination are 70 and 73 respectively. If the mean marks of all the students in the examination is 71, find the ratio of number of boys to the number of girls.
(A) 1:1
(B) 2:1
(C) 1:2
(D) 2:3
Harshit Singh , 3 Years ago
Grade 12th pass
