WBCS Main Exam Compulsory Question Paper VI-2017 [Arithmetic and Test of Reasoning]
1. The average weight of x, y, z is 45 kg. If the average weight of x and y be 40 kg and that of y and z be 43 kg, then the weight of y is
(A) 20 kg (B) 26 kg (C) 31 kg (D) 17 kg
2. If the side of a square is increased by 30%, then its area is increased by
(A) 9% (B) 60% (C) 30% (D) 69%