The positions of the first and the fifth digits in the number 74362581 are interchanged. Similarly the positions of the second and the sixth digits are interchanged and so on. Which of the following will be the third to the right of the seventh digit from the right end after rearrangement?
7 4 3 6 2 5 8 1 2 5 8 1 7 4 3 6
If the ratio of the sum invested and simple interest received after 1 year is 25:7 respectively, then find the rate of interest.
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A sum lent out at simple interest amounts to 6076 in 1 year and 7504 in 4 years. The sum and the rate of interest p.a. are respectively