Question
In the final examination, Bishnu scored 52% and Asha scored 64%. The marks obtained by Bishnu is 23 less, and that by Asha is 34 more than the marks obtained by Ramesh. The marks obtained by Geeta, who scored 84%, is
- 439
- 399
- 357
- 417
Option: 2
Solution:
Solution:
Let the total marks be T and scores of Bishnu, Asha and Ramesh be a, b and c respectively.
Given, \(a = 52\% \) of \(T = c - 23\) and \(b = 64\% \) of \(T = c + 34\)
Hence, \((64 - 52)\% \) of \(T = (c + 34) - (c - 23) = 57\)
i.e. \(12\% \) of \(T = 57\)
Hence, score of Geeta \( = 84\% \) of \(T = 7 \times 57 = 399\)
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