Question
Manoj deposited a sum of money in a scheme that offers
10% annual compound interest for a period of three years. If the total interest he earned at the end of three years is ₹10,261, determine the principal amount he invested.Solution
Let the amount invested by Manoj = Rs. x So the interest earned by Manoj after three years = x × {(1 + 0.10)3 – 1} = 10261 0.331x = 10261, x = 31000 So, the amount invested by Manoj = Rs. 31000
A 88-litre mixture contains only water and oil in the ratio 6:5, respectively. If 22 litres of the mixture is replaced with the same quantity of oil, th...
Suppose you have 60 litres of milk, which you can purchase at Rs. 35 for every 1.5 litres. How many litres of water should you add to this milk to reduc...
- 150 litres of solution 'C' has milk and water in the ratio 3:2, and 350 litres of solution 'D' has them in the ratio 7:3. Find the final ratio of milk to w...
2 Kg of sugar at Rs 30 per Kg is mixed with 3 Kg of 2nd type of sugar to get a mixture costing Rs 46 per Kg. Find the price of the costlier sugar
Quantity of water in a 420 litres mixture (Milk + Water) is 20 litres less than the quantity of milk in it. Find the quantity of water to be mixed so th...
Mixture ‘X’ contains 50% alcohol and the rest 40 litres of water. 150 litres of mixture ‘Y’ contains alcohol and water in the ratio 5:10, respec...
When 10 litres of water is added to a mixture of milk and water, the ratio of quantity of milk and water becomes 4:5. Instead, if 20 litres of water had...
A mixture has milk and water in ratio 7:3. If 5 liters of water is added, ratio becomes 7:4. Find quantity of milk.
- In a solution, the ratio of milk to water is 4:5. If 6 litres of milk and 12 litres of water are added, the new ratio becomes 5:7. What was the original qu...
A mixture (paint + thinner) contains paint and thinner in the ratio of 9:5, respectively. If 56 litres of the mixture is replaced with 28 litres of thi...