300 grams of sugar solution has 40% of sugar in it. How

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300 grams of sugar solution has 40% of sugar in it. How much sugar should be added to make it 50% in the solution?

1. 40 gram
2. 10 gram
3. 60 gram
4. 80 gram

Correct Option: C

In 300 gm of solution,

Sugar =	300 × 40	= 120 gm.
	100

Let m gm of sugar be mixed.
According to the question,

	120 + m	=	1
	300 + m		2

⇒ 240 + 2m = 300 + m
⇒ 2m – m = 300 – 240
⇒ m = 60 gm.