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Recent questions tagged arithmetic-geometric-progression

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CAT 2017 Set-2 | Question: 100
If $a_1=1/\left ( 2^{*}5 \right ),a_2=1/\left ( 5^{*}8 \right ),a_3=1/\left ( 8^{*}11 \right ),\dots\dots,$ then $a_1+a_2+\dots\dots+a_{100}$ is $25/151$ $1/2$ $1/4$ $111/55$
If $a_1=1/\left ( 2^{*}5 \right ),a_2=1/\left ( 5^{*}8 \right ),a_3=1/\left ( 8^{*}11 \right ),\dots\dots,$ then $a_1+a_2+\dots\dots+a_{100}$ is$25/151$$1/2$$1/4$$111/55$...
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