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

A 40 grams
B 60 grams
C 80 grams
D 90 grams

Correct Answer: 60 grams

ধরি, x গ্রাম চিনি যোগ করতে হবে। ( 300 এর 40%) + x = ( 300 + x) এর 50% 300 ×( 400/100) + x = 300 + x × (50/100) 120 + x = 300 + x /2 2x + 240 = 300 + x 2x - x = 300 - 240 x = 60
Bissoy MCQ

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