How many Kg of sugar must be added to 30 Kg of 2% solution of sugar and water to increase it to a 10% solution?	Answers.
A) 2.6 kg  B) 4 kg  C) 3.4 kg  D) 1.8 kg  E) none of these

Rationale: explanation : solution : amount of sugar in 30 kg solution = ( 2 / 100 * 30 ) kg = 0.6 kg . let x kg of sugar be added . then , ( 0.6 + x ) / ( 30 + x ) = 10 / 100 60 + 100 x = 300 + 10 x x = 240 / 90 = 8 / 3 = 2.6 answer : a
Answer: A