1.

Simple Interest On Rs.500 For 4 Years At 6.25 % Per Annum Is Equal To The Simple Interest On Rs. 400 At 5 % Per Annum For A Certain Period Of Time. The Period Of Time Is?

Answer»

LET the required period of time be x YEARS

Then 500 x 4 x 6.25/100 = 400 x 5/100 × x 

=> 20 x 6.25 = 20 × x 

=> X = 6.25 = 625/100 = 25/4 = 6 ¼ years.

Let the required period of time be x years. 

Then 500 x 4 x 6.25/100 = 400 x 5/100 × x 

=> 20 x 6.25 = 20 × x 

=> X = 6.25 = 625/100 = 25/4 = 6 ¼ years.



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