Manipal Entrance Test 2017 Math Paper

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Question : 46 of 70

Marks: +1, -0

0.2+0.22+0.222+... to n terms is equal to

(
2
9
)−(
2
81
)(1−10−n)
n−(
1
9
)(1−10−n)
(
2
9
)[n−(
1
9
)(1−10−n)]
(
2
9
)

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