Standard vs Basic Math

Toh bhailog mene realise Kara hi ki mujhse standard maths nahi horhi hai hawa nikal jati hai meri dikkat ye hai ki mere school walo ne students se pucha nahi tha ki standard maths leni hai ki basic sabko standard hi dilwadi thi aur half yearly ke around jab mene apne class teacher se iske bare me bola toh unhone kaha ye 9th me CHOOSE karna tha i was like acha aur ab mujhe realise horha mera khel khatam hai standard me toh meri ek senior friend ne bola abhi bhi change karwa sakte hai jabtak admit card nahi milta boards ka ( hume abhi nahi mila hai ) toh ye sach baat hai ki nahi aur konsa jyada sahi hoga standard rakhna ki basic lelena