KEAM 2017 Math Paper

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Question : 28 of 120

Marks: +1, -0

For all rest numbers x and y, it is known as the real valued function f satisfies f(x) + f(y) = f(x + y). If f(1) = 7, then

100

Σ

r=1

f(r) is equal to

7×51× 102
6×50× 102
7×50×102
6× 25×102
7×50× 101

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