Upcoming generation 🤡

My brother going to class 10, has done this in exam and and his all friends are saying that he is right. He studies in a reputed school in Noida and doesn't know even this basic mathematics, even his friends don't know. When I addressed him about this, he said that I am wrong.

My brother going to class 10, has done this in exam and and his all friends are saying that he is right. He studies in a reputed school in Noida and doesn't know even this basic mathematics, even his friends don't know. When I addressed him about this, he said that I am wrong.