For the following questions answer them individually
If you are buying one jacket at ₹2,500 and buying two similar jackets at ₹4,500, then find the discount percentage. (Marked price of one jacket is ₹2500)
A police officer follows a thief who is at a distance of 800 m from him. If they run at a speed of 8 km/h and 7 km/h, respectively, how long does the police officer have to run to catch up with the thief?
In a college, there are two courses. In M.Com. 450 students passed out of 500, while in M.A. 1500 students passed the exam out of 2000 students. What is the combined pass percentage of the college?
A sum of money amounts to ₹14,112 at the rate of 20% per annum compounded annually for 3 years. Find the sum of money.
A thief started running at a speed of 15 m/s, after running for 12 sec a policeman started running to catch the thief in the same direction at a speed of 20 m/s. How many metre will the policeman run to catch the thief?
If the radius of a sphere is increased by 5%, what percentage increase takes place in the surface area of the sphere?
The price of a mobile first successively decreases by 5%, 2% and after that the price is increased successively by 10%, 20%, respectively. What is the final change in the price of the mobile?
A house worth Rs.1,00,000 is sold by A to B at a profit of 6%. B sells house back to A at 3% loss. What is the gain/loss of A in the entire transaction?
Soni sold a mobile phone to Raju at a profit of 10%, Raju sold it to Alok at a loss of 5% and Alok sold it to Sohan at a profit of 20%. If Sohan bought it for ₹ 6,270, what is the cost price (in ₹ ) of the mobile for Soni?