A certain principal earns Rs 240 as simple interest after 3 years. Compute the

interest earned by the same principal a

by

A certain principal earns Rs 240 as simple interest after 3 years. Compute the

interest earned by the same principal after 7 years.​

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  1. Answer:

    (a) Simplest Interest for one year 2403=80

    Simple interest for two year=80×2=160

    Difference for 2 year=170-160=10

    Rate%=1080×100=1212%

    Step-by-step explanation:

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