A shopkeeper sold a table and chair in Rs.4000 and Rs.2400 respectively at the profit of 25% and 20% respectively. If he sold the table and chair in Rs.4900 and Rs.x respectively and he got the whole profit is 20%, then find the value of x?

A milkman has 60 liters of milk and water in the ratio of 7:5 and he added x liters of milk and 15 liters of water in the mixture. Now the result of the milk and water in the ratio of 5:4, then find the value of x?

A bag contains 4 red balls, 3 blue balls and 5 green balls. Two balls are drawn at random. What is the probability that both the balls are red?

A, B and C started the business with the investment of 2:3:4 and after 6 months B and A added Rs.2000 and Rs.3000 for his initial investment respectively. At the end of one year the total profits is Rs.4400, and then find the profit share of C?

Pipe A fill the tank in (x – 16) hours and pipe B empty the tank in (x – 12) hours. If pipe A and B together can fill the tank in x hours, then find the value of x?

Rahul invests Rs.3600 at simple interest of x% per annum for x years and after x years he received the interest is Rs.900. If he also invests the Rs.(3600 + y) in simple interest scheme at 2x% per annum for (x + 3) years and then he received the interest for after (x + 3) years is Rs.3840. Find the value of y?

The total number of employees in the company is 1200 and the female employees of the company is x%. If the number of male is 240 less than that of the number of female employees in the company, then find the value of x?

If the ratio of the radius to height of the cylinder is 7:12 and the volume of the cylinder is 14784 cm, then the height of the cylinder is equal to the height of the cone. If the slanting height of the cone is 25 cm, then find the radius of the cone?

If the length of train A to B is 4:5 and the ratio of the speed of train A to train B is 6:3. Train A crosses the pole and train B in 12 seconds and 18seconds respectively. Find the length of train B, if train A and B running in opposite direction?

The ratio of the ages of A to B is 4:5 and the ratio of the ages of C and D is 2:3. C is 25 years younger thanB and A’s age is 20% more than that of D’s age. Find the sum of the ages of A, B, C and D together?