NCERT Figure it Out 1 - Q1 - Proportional Reasoning-1
Question: Circle the true proportions: (i) 4 : 7 :: 12 : 21 (ii) 8 : 3 :: 24 : 6 (iii) 7 : 12 :: 12 : 7 (iv) 21 : 6 :: 35 : 10 (v) 12 : 18 :: 28 : 12 (vi) 24 : 8 :: 9 : 3
Answer: (i), (iv) and (vi) are true.
Full step-by-step NCERT solution with diagrams on Something by Zero.