MathematicsEasy178×since 2002Q5214If the first term of an A.P. is 3 and the sum of its first 25 terms is equal to the sum of its next 15 terms, then the common difference of this A.P. is :A14{1 \over 4}41B15{1 \over 5}51C17{1 \over 7}71D16{1 \over 6}61Check answerSkip