| In an entrance examination Ritu scored 56% marks, Smita scored 92% marks and Rina scored 634 marks. The maximum marks of the examination are 875. What are the average marks scored by all the three girls together? |
| [IBPS (PO/MT) 2011] |
A) 1929
B) 815
C) 690
D) 643
E) None of these
Correct Answer: D
Solution :
| Maximum marks in examination = 875 |
| Ritu's marks \[=875\times \frac{56}{100}=490\] |
| Smita's marks \[=875\times \frac{92}{100}=805\] |
| Rina's marks \[=634\] |
| Required average marks |
| \[=\frac{490+805+634}{3}=\frac{1929}{3}=643\] |
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