MathematicsMedium178×since 2002Q5262If the sum of an infinite GP a, ar, ar², ar³, ....... is 15 and the sum of the squares of its each term is 150, then the sum of ar², ar⁴, ar⁶, ....... is :A52{5 \over 2}25B12{1 \over 2}21C252{25 \over 2}225D92{9 \over 2}29Check answerSkip