Question

In an Entrance Examination Ritu scored 56 percent marks, Smita scored 92 percent marks and Rina scored 634 marks . The maximum marks of the examination are 875. What are the average marsk scored by all the three girls together . ?
A. 1929
B. 815
C. 690
D. 643

Answer 1

Correct Answer - D
(d) Marks scored by Ritu `=875xx(56)/(100)=490`
Marks scored by Smita `=875xx(92)/(100)=805`
`:.` Average marks scored by all the three together
`=(490+805+634)/(3)=)1929)/(3)=643`