Study the following table carefully to answer these questions.
Percentage of marks obtained by six students in six subjects
Marks obtained by Student R in Subjects :
B = $$\frac{54}{100} \times 40$$ = 21.6
D = $$\frac{84}{100} \times 50$$ = 42
E = $$\frac{62}{100} \times 120$$ = 74.4
=> Required total = 21.6 + 42 + 74.4 = 138
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