User ID Password  Forgot Password    General Knowledge  English  Quantitative Aptitude  Data Interpretation  Oracle Certification  Linux Certification  CAT Mock Test  Mock Test  User Test   Home Register Sample Test Make Money Panchatantra Refer a Friend Create Test OnLine Course FeedBack       1 The sum of the first three terms of a GP is 7 and sum of their squares is 21. the 4th, 5th and 6th terms of this series are (A) 8, 16, 32 (B)81,41,21 (C) 4, 2, 1 either A or C Only B either A or B only A