Latest NDA Aptitude Question SOLUTION: Which one among the following is a double salt ?
(A) K4[Fe(CN)6] (B) K2SO4Al2(SO4)324H2O
(C) CuSO4.5H2O (D) NaCl
"The gaming of numbers is called maths.So participate in this wonderful game and explore in it,learn in it and enjoy in it.Then only you can pass in this wonderful game."
Kumar Purnendu
If a man's wit be wandering, let him study the mathematics.