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Hardness is defined as the concentrations of calcium and magnesium ions expressed in terms of calcium carbonate.The Hardness in water is caused by the presence of dissolved calcium (Ca 2+) and magnesium (Mg 2+) ions.
Who lives immediately below B’s flat?
Which of the following combinations is correct
Four of the following five are alike in a certain way and hence they form a group. Which one of the following does not belong to that group?
Which among the following pair of people stays on same floor?
Five sweets, Ladoo, Petha, Peda, Rasgulla and Jalebi, are kept one above the other (not necessarily in the same order). Ladoo is four places above the P...
Who sits diagonally opposite the one who likes Orange?
I has __ pens less than the ___.
Whose anniversary is falling earlier than that of anyone else in the group?
Which of the following shows the position of Mango box?
Who lives in fourth floor and the age of that person is?
