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12000 is divided into tow parts such tha...

12000 is divided into tow parts such that the simple interest on the first part for 3 years at 12% per annum may be equal to the simple interest on the second part for `4(1)/(2)` years at 16% per annum. The ration of the first part to the second part is:((12000 की धनराशि को दो भागो में इस प्रकार विभाजित किया जाता है की पहले भाग पर 12 % वार्षिक दर से 3 वर्ष का साधरण बियाज दूसरे भाग के 16 % वार्षिक दर `4(1)/(2)` पर वर्ष के साधारण बियाज के बराबर है तो पहले तथा दूसरे भाग का अनुपात बताये)

A

`2:1`

B

`1:2`

C

`2:3`

D

`3:2`

लिखित उत्तर

Verified by Experts

(a) Let the two parts are `P_(1) and P_(2)` respectively,
According to the question, `(Pxx3xx12)/(100)=(P_(2)xx9xx16)/(2xx100)`
`36P_(1)=72P_(2)`
`(P_(1))/(P_(2)) =(72)/(36)=(2)/(1)`
P1:P2=2:1
Hence, required ratio (अभीस्ट बियाज )=2:1
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