Questioning your little brother's maths skillsTo play this video you need to enable JavaScript in your browser.This video can not be playedQuestioning your little brother's maths skillsCloseWatch the full episode on BBC iPlayer.SubsectionAsiaPublished5 days agoShareclose panelShare pageCopy linkAbout sharingRelated topicsIndiaFollow Indiaclose panelYou are now following IndiaUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description