Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?
Select:  A) 6400  B) 2388  C) 3777  D) 2992  E) 2781
Explanation:   Let the sum invested in Scheme A be Rs. x and that in Scheme B be Rs. (13900 - x).   Then,   =&gt; 28x - 22x = 350800 - (13900 x 22)   =&gt; 6x = 45000   =&gt; x = 7500.   So, sum invested in Scheme B = Rs. (13900 - 7500) = Rs. 6400.   6400nswer: 6400) Rs.6400
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Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?