A sum was invested at a certain rate of simple interest per annum for 8 years. Had it been invested at a rate of simple interest per annum that is 8% higher than the rate at which the sum had been actually invested, it would have fetched Rs 4,000 more as interest at the end of the 8-year period. What was the sum invested?
Refer to the following letter, number, symbol series and answer the question.
(Left) E 7 $ # K 2 L ? = R 3 @ W * X 5 C H D 4 (Right)
If all numbers are dropped from the series, which of the following will be seventh from the left?
Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
15 : 4913 :: 8 : ? :: 11 : 2197