Arithmetic Aptitude :: Decimal Fraction
4. An internet recently hired 8 new network,in advertisement 20 network already employed.All new network cam from university A.In addition 75%of computer advertisement came from same university A.what fraction of original 20 network advertisement came from same university A?
8 new n/w,20 is already employed
Total n/w=20+8=28 n/w
so that 75% came from same university then 28*75/100=21
we all know 8 n/w is recently hired then 21-8=13
=> the fraction is=13/20