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If a sum of money amounts to 12900 and 1...

If a sum of money amounts to 12900 and 14250 at the end of 4th and 5th year respectively at a certain rate of simple interest then the rate of interest is:(कोई धनराशि साधरण बियाज की दर से 4 वर्ष तथा 5 वर्ष के अंत में क्रमश: रुपया 12900 और रुपया 14250 हो जाती है बियाज दर बताइए )

A

0.1

B

0.12

C

0.18

D

0.2

लिखित उत्तर

Verified by Experts

(c )
Interest paid by the person in 1 year(1 वर्ष व्यक्ति द्वारा दिया गया बियाज)=1350
Interest paid by the person in 4 years(4 वर्षो में व्यक्ति दवारा दिया गया बियाज )=`1350xxc4=5400`
Principal(मूलधन)=(12900-5400)=7500`
Rate(दर%=`(1350)/(7500)xx100=18%`
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