SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Irrigation Engineering Water Requirement of Crops
If concentration of Na+, Ca+2 and Mg+2 are 20, 5 and 3 milli-equivalents per litre respectively then sodium Absorption Ratio (SAR) is
1
22
2
8.83
3
14.67
4
10