1.

On A Certain Sum, The Simple Interest At The End Of 12 ½ Years Becomes ¾ Of The Sum. What Is The Rate Percent Per Annum?

Answer»

Let the sum be Rs X

Then S.I = Rs 3x/4, TIME = 25/2 YEARS 

Therefore, Rate = (100 × 3x/4 × 1/x × 2/25) % p.a 

= 6 % p.a.

Let the sum be Rs x. 

Then S.I = Rs 3x/4, Time = 25/2 Years 

Therefore, Rate = (100 × 3x/4 × 1/x × 2/25) % p.a 

= 6 % p.a.



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