At  what age upper segment  :  lower segment ratio becomes 1 : 1 ?: (A) 3  -  6 years, (B) 5  -  8 years, (C) 7 - 10 years, (D) 10 - 12 years
Answer is C. Age
US : LS Ratio




Birth
1.7 : 1


3 years
1.3 : 1


7 - 10 years
1 : 1


> 10 years
0.3 : 1