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The simple interest on a sum of money fo...

The simple interest on a sum of money for 3 years is 240 and the compound interest on same sum, at the same rate for 2 years is 170. The rate of interest is:(किसी धन राशि पर 3 वर्ष का साधारण ब्याज ₹ 240 है और उसी धनराशि पर 2 वर्ष का उसी दर पर चक्रवृद्धि ब्याज ₹ 170 है | ब्याज की दर क्या है ?)

A

`12(1)/(2)%`

B

`5(5)/(17)%`

C

0.08

D

`29(1)/(6)`%

लिखित उत्तर

Verified by Experts

(a) Simplest Interest for one year `(240)/(3)=80`
Simple interest for two year=`80xx2=160`
Difference for 2 year=170-160=10
`"Rate%=(10)/(80)xx100=12(1)/(2)%`
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