Top 20 MCQs on Ratio, Proportion, Alligation and Mixture problems. Select an answer to reveal the solution!
In a bag containing red and blue balls in ratio 3:5, if there are 24 red balls, how many blue balls are there?
The ratio of A's age to B's age is 3:4. After 5 years, the ratio will be 4:5. What is A's current age?
A mixture contains milk and water in ratio 5:2. If 7 litres of water is added, the ratio becomes 5:3. How much milk was there originally?
Two numbers are in ratio 4:7. Their HCF is 9. What is their LCM?
In what ratio should water be mixed with milk worth ₹60/litre to get a mixture worth ₹40/litre?
A sum of ₹1200 is divided among A, B, C in ratio 2:3:5. How much does C get?
If a:b = 3:4 and b:c = 2:3, find a:b:c.
How many litres of pure acid must be added to 20 litres of 40% acid solution to make it 60% acid?
If x:y = 2:3, then (5x+3y):(2x+7y) = ?
A container has 40 litres of juice. 10 litres is removed and replaced with water. This process is done again. What fraction of juice remains?
A and B invest in a business in ratio 3:5. At end of year, profit is ₹9600. What is A's share?
Two alloys contain gold in ratio 2:3 and 3:4. In what ratio should they be mixed for gold to be 3/5 of the mixture?
If P:Q = 5:8 and Q:R = 4:7, find P:R.
A mixture of 40 litres has milk and water in 7:3. To make ratio 3:7, how many litres of water should be added?
Divide ₹6200 among X, Y, Z so that X gets 3/4 of Y and Y gets 1/2 of Z.
Two numbers are in ratio 3:8. If 4 is added to each, ratio becomes 1:2. Find the numbers.
By alligation, in what ratio should tea at ₹60/kg and ₹80/kg be mixed to get blend worth ₹70/kg?
In a solution of 80 litres, ratio of A:B = 3:1. To make ratio 5:3, how much B should be added?
A:B = 2:3, B:C = 4:5, C:D = 6:7. Find A:D.
A can contains a mixture of two liquids A and B in ratio 7:5. When 9 litres of mixture is drawn and replaced with B, ratio becomes 7:9. How many litres is the can?
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