Question
A sum of Rs. 1,500 is invested at a simple interest rate of
10% per annum for 18 months. If the interest earned is Rs. 'q', find the value of (q - 15).Solution
ATQ,
Simple interest = {Principal X rate X time (in years) } ÷ 100
So, interest earned = {1500 X 10 X (18/12) } ÷ 100 = Rs. 225
Therefore, required value = 225 - 15 = 210
150 liters of mixture 'P' (milk + water) contains milk and water in the ratio of 2:3, respectively. In mixture 'Q' of milk and water, the quantity of mi...
100 litres of a mixture contains 40% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
A 300 litres mixture of milk and water contains 50% milk. How much water should be added to the mixture to make the quantity of water 70% of the total m...
In a 210 litres mixture, milk is 10% more than water. On adding (n - 4) litres water and (n + 4) litres milk, milk to water ratio becomes 11:10. Find th...
In what ratio coffee at 315 Rs/kg should be mixed with the coffee at 355 Rs/kg so that after mixture its rate become 330 Rs/kg if the quantity of 1st ty...
200 litres of mixture (milk + water) contains 50% milk. When 'm' litres of milk and (m - 10) litres of water are added, the ratio of milk to water in th...
A 280 ml mixture is composed of milk and water in the ratio 11:9. If an equal amount 'x' ml of both milk and water is added, the new ratio of milk to wa...
- A 900 ml mixture consists of 70% milk. After adding ‘y’ ml of milk and ‘3y’ ml of honey, the milk-to-honey ratio changes to 5:6. Determine the fina...
A mixture of 280 ml contains milk and water in the ratio of 3:1. If 60 ml of milk and 20 ml of water are added to the mixture, fi...
A jar contains a mixture of mango juice and water in the ratio of 5:2. 84 litres of the mixture was taken out and 34 litres of water was added to it. I...
Relevant for Exams:
