What per cent of 10 kg is 250 g? (a) 25% (b)5% (c)10% (d)2.5%
Let x% 10 kg = 250 g x100×10kg=2501000kgx=250×1001000×10=2510%=2.5%
What per cent of 27 is 135? (a) 2.5 % (b) 10 % (c) 20 % (d) 25 %