(CDS - II 2010)

(a) 75.5

(b) 75.8

(c) 76.0

(d) 76.8

2. The average age of 100 workers in a factory is 36.5 years. The average age of the men is 45 years and that of the women is 28 years. The number of women working in the factory is

(SSC CHSL Exam 2011)

(a) 50

(b) 45

(c) 40

(d) 60