Hi @usha_darji3 ,
Use this link to join the quiz - [Greytribe Quiz 3.0] Season 10 :: Contest no 131 
. Choose your correct answer and then click on Vote Now option below. Your answers will be recorded. Please make sure that you participate from 9th Dec to 13th to get a chance to get the maximum right answers and an opportunity to get exciting rewards.
I hope that helps answer your query. Do let me know incase you need further assistance.
Community Manager.