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125 gallons of a mixture contains 20% water . What amount of additional water should be added such that the water content is raised to 25%?

A. 15/2 gallons

B. 17/2 gallons

C. 19/2 gallons

D. 8 13 gallons

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সঠিক উত্তরঃ D. 8 13 gallons

Explanation:

The ratio of investments of two partners P and Q is 7: 5 and ratio of thier profits is 7: 10. If P invested the money for months, find for how time did Q invest the money .
৬৪ কিলোগ্রামের বালি ও পাথর টুকরার মিশ্রণে বালির পরিমাণ ২৫% কত কিলোগ্রাম বালি মিশালে মিশ্রণে পাথর টুকরার পরিমাণ ৪০% হবে ?
If x:y =5:3 , then (8x-5y) : (8x +5y) =?
In a school cricket team , players are selected from both junior section and senior section. If the ratio of juniors to seniors in the team is 3 : 5 , what percentage of the team members are seniors ?
The value of "A" varies in inverse proportion as the square of "B". If the value of "A" is equal to 40 , when "B" is equal to 12. What would be the value of "A" when "B" is equal to 24?
P and Q start a hotel . P left after 6 months. After the year ends, P gets Tk. 6000 as profit out of total profit of TK. 9000. What will be amount invested by Q if P had invested TK. 20000?
A bag contains tomatoes that are either green or red. The ratio of green tomatoes to red tomatoes in the bag is 4 to 3. When five green tomatoes and five red tomatoes are removed, the ratio becomes 3 to 2. How many red tomatoes were originally in the bag?
ভাইয়ের বয়স 3 বছর 6 মাস ও বোনের বয়স 6 মাস। ভাই ও বোনের বয়সের অনুপাত কত?
A dishonest trader mixes 2 kg of vegetable ghee costing Tk. 45 a kg with 3 kg of standard ghee costing Tk. 70 kg. He sells the mixed ghee at Tk. 65 per kg. What his percentage of profit?
125 gallon of a mixture contain 20% water. What amount of additional water should be added such that water content is raised to 25%?
যদি দুটি সংখ্যার অনুপাত ৩ : ৪ এবং সংখ্যাদ্বয়ের যোগফল ৪২০ হয়, তাহলে বৃহত্তম সংখ্যাটি কত?
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
X and Y start a business by investing a certain amount in the ratio 9: 16 . Both of them invest for an equal period of time . At the end of the term , X's share of profit is what per cent less than that of Y?
Two numbers are in the ratio 3 : 7 . If 6 be added to each of them, then they are in the ratio 5 : 9 Find the numbers?
If the ratio of speed of doing work of the persons is 1 : 3 : 5 , what is the ratio of this taken by these people to do the same amount of work ?
a/2=b/2=c/2 হলে নিচের কোনটি সঠিক?
দুটি সংখ্যার অনুপাত ৪:৭ । প্রত্যেকটির সাথে ৪ যোগ করলে তাদের অনুপাত দাঁড়ায় ৩ :৫ । ছোট সংখ্যাটি কত?
a/2=b/2=c/2 হলে, নীচের কোনটি সঠিক?
A jar contains a mixture of oil and water in the ratio 22 :3 . 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?
ab = 4:7 এবং b : c = 56 হলে a: b: c হলো-

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125 gallons of a mixture contains 20% water . What amount of additional water should be added such that the water content is raised to 25%?