Related Questions

125 gallons of a mixture contains 20% water. what amount of additional water should be added such that water content is raised to 25%?
A 152gallons
B 172gallons
C 192gallons
D 253 gallons
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
125 gallon of a mixture contain 20% water. What amount of additional water should be added such that water content is raised to 25%?
A 152 gallond
B 172 gallons
C 192 gallons
D 253 gallons
একজন চাকরিজীবীর আয় ও ব্যয়ের অনুপার ২০ঃ ১৫ হলে, তার মাসিক সঞ্চয় আয়ের শতকরা কত অংশ?
A ৩০%
B ১৫%
C ২০%
D ২৫%
একটি ট্রান্সফরমারের প্রাইমারি ও সেকেন্ডারি তারের ঘূর্ণনের অনুপাত 20ঃ 1 এবং সেকেন্ডারিতে 20 omega রোধ লাগানো আছে। যদি প্রাইমারিতে 220 V প্রয়োগ করা হয় তাহলে এর মধ্যে বিদ্যুৎ প্রবাহ হবে-
A 0.55 A
B 27.5 mA
C 27.5 A
D 5.5 mA
A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?
A 1ml
B 1.5ml
C 2.5ml
D 6ml
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?
A 175
B 150
C 75
D 125
A 140 liter mixture of milk and water contains 20% water. How much milk , in liter, must be added to the mixture so that the new mixture will contain a water and milk ratio of 1 : 7?
A 80 liter
B 84 liter
C 112 liter
D None of these
A 180 liter mixture of milk and water contains 20% water. How much milk, in liters, must be added to the mixture so that the new mixture will contain water and milk in the ratio of 1 : 7?
A 100 liters
B 108 liters
C 144 liters
D 252 liters
20 kg of a mixture of wheat and husk contains 5% husk. How many kg more of husk must be added to make the husk content 20% in the new mixture?
A 2.75
B 3.75
C 4.75
D 5.75

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