P pays Q a sum of ₹150 using coins of ₹2, ₹5 and ₹10. He uses a total of 50 coins. If the ratio of ₹2 and ₹5 coins used is 5 : 2, then how many coins of ₹10 are used in the payment?

The ratio of milk and water in 90 liters of a mixture is 4 : 1. The ratio of milk and water in 90 liters of another mixture is 3 : 2. Find the positive difference between the quantities of milk in the two mixtures.

The ratio of milk and water in 90 liters of a mixture is 4 :...

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If 15% of A : 25% of B :: 8 : 11, then A : B is equal to ___________.

If 15% of A : 25% of B :: 8 : 11, then A :...

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One year ago, the ratio of the ages (in years)

One year ago, the ratio of the ages (in years) of A and B was...

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How much water should be added to 60 liters of milk costing \(1\frac{1}{2}\) per liter at ₹ 20 to get a mixture costing ₹\(10\frac{2}{3}\) per liter?

How much water should be added to 60 liters of milk costing \(1\frac{1}{2}\) per liter...

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Find the number that can be subtracted from both terms of the ratio 43 : 91 so that the ratio becomes 3 : 7.

Find the number that can be subtracted from both terms of the ratio 43 :...

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The prices of each article of types P, Q, and R are ₹280, ₹180 and ₹100, respectively.

The prices of each article of types P, Q, and R are ₹280, ₹180 and...

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In a college, 20% of the number of boys are equal to the three-fourth of the number of girls.

In a college, 20% of the number of boys are equal to the three-fourth of...

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The monthly incomes of two friends Ashish and Kiran,

The monthly incomes of two friends Ashish and Kiran, are in the ratio 5 :...

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