UPSC NDA II 2023 Mathematics Solved Paper

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Question : 102 of 120

Marks: +1, -0

If X=20 is the mean of 10 observations x1,x2,...,x10; then what is the value of

10

∑

i=1

(‌

3xi−4

5

)?

[NDA II 2023]

0
12
112
1012

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