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JEE MAIN - Mathematics Hindi (2018 (Offline) - No. 7)

माना $$a_1$$, $$a_2$$, $$a_3$$, ......... ,$$a_{49}$$ A.P. में हो जिसके लिए

$$\sum\limits_{k = 0}^{12} {{a_{4k + 1}}} = 416$$ और $$a_9 + a_{43} = 66$$.

$$a_1^2 + a_2^2 + ....... + a_{17}^2 = 140m$$, तब m का मान है
33
66
68
34

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