Four pairs of words are given. Three pairs are related and one is the odd one out. Identify the odd pair.
Hydrogen : Sulphuric Acid
Chlorine : Salt
Oxygen : Water
Nitrogen : Hydrochloric Acid
If 4x + 5y = 14 and x − 5y = 16 then the value of x and y are
10 and −\( \frac{6}{5} \)
6 and 2
10 and \( \frac{6}{5} \)
6 and −2