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If a1, a2 , a3,  .... an and b1 , b2 , b3 , ... bn are two A.P . 's such that a1 b1 = 1200 , a2 b2 = 143 , a3 b3 = 154 then a8 b

(1) 209 

(2) 89 

(3) 195 

(4) 29

1 Answer

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by (37.5k points)
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Best answer

Correct option is (4) 29

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