NIMCET 2012 Question Paper with solutions

Given U = 100
a + b = 55 ... (i)
b + c = 67 ... (ii)

and a + b + c = 100 ...(iii)
From Eqs. (i) and (iii),
(a + b) + c = 100
⇒ 55 + C = 100
⇒ c = 100-55 = 45
Hence, the number of students passed in Physics only is 45.