Math, asked by arssalan19, 11 months ago

find the rateper cent p.a. when Rs 800 yields Rs 80 interest in 2 years

Answers

Answered by pallavirai

0

Answer:

40

Step-by-step explanation:

by using formula interest={(principal*time*time+1)/2*12}*rate/100.

=>80={(800*2*3)/2*12}/rate/100

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