If the interested in a sum of rs. 350is rs. 70 in a certain time than what will be the interest on rs. 1050 in double the time at half the rate of interest?
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1
Answer:
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Step-by-step explanation:
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Answered by
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Answer:
Step-by-step explanation:
Hope it helps : )
Simple Interest, S.I. = Rs. 1260
= 100 / PR×2 = 50 /PR -(i)
Compound Interest, C.I. = Amount(A) - Principle(P)
=P(1+ 100/R ) 2 - P
= PR(R/10000+1/50)=Rs.1323 -(ii)
Dividing (ii) by (I),
200 R +1 = 1260
1323
⇒Rate, R=10%p.a.
Now,
PRT/100
=1260
= P×10×2/100
=1260
⇒ Principal or Sum , P = Rs.6,300
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