Multiple choice Find the wrong term in the following number series- 20 35 63 117 210 350 63 20 35 350 210 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The series follows: ×2 - 5, ×2 - 7, ×2 - 9, ×2 - 11, ×2 - 13. 20×2-5=35, 35×2-7=63, 63×2-9=117, 117×2-11=223 (not 210), 223×2-13=433 (not 350). The last term 350 is incorrect.