Question

1.If the number of subsets of a set with 2006 elements having an even number of elements is 2k, then find the sum of digits of k. 2.Find the number of integers x satisfying 11 ≤ x ≤ 100 such that x2 + x – 110 is divisible by 19. 3.In a geometric progression consisting of positive terms, each term equals the sum of the next two terms. Then the common ratio of this progression equals Answer this three and i will mark brainliest and give thanks to all

Answer 1

$don't know$