Which‌ ‌of‌ ‌the‌ ‌following‌ ‌are‌ ‌in‌ ‌proportion?‌ ‌(A)‌ ‌‌2,3,20,30‌ ‌(B)‌ ‌‌3,4,15,18‌ ‌(C)‌ ‌‌1,3,11,22‌ ‌(D)‌ ‌‌2,5,40,80

Harshit Singh , 2 Years ago

Grade 12th pass