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The pattern followed here is as follows: The sum of all the place values of the letters as per English alphabetical series is multiplied by '2' to get the coded number. SERVICE = 19 + 5 + 18 + 22 + 9 + 3 + 5 = 81; 81x 2 = 162. PLANTS = 16 + 12 + 1 + 14 + 20 + 19 = 82; 82 x 2 = 164. VERTICAL = 22 + 5 + 18 + 20 + 9 + 3 + 1 + 12 = 90; 90 x 2 = 180.
Present average age of A, B, and C is 30 years. If 5 years ago, the average age of A and C was 25 years, then find the present age of B.
Five years back, the age ratio of Meera and Sanya was 11:13. Five years from now, the ratio becomes 13:15. What is the average of their present ages?
