For the following questions answer them individually
By selling a commodity for Rs.15,000, Subir loses Rs.2,000. What is his percentage loss?
Teena spends 30% of her salary on food, 30% of the rest on fuel and saves the remaining Rs.4,900. What is Teena’s salary?
₹x were borrowed at the compound interest rate of 5% per annum, 3 years back, where interest were compounding annually. If the present value of the money borrowed ₹18,522, what is the value of x?
If the price of petrol is increased by 40%, by what percentage (rounded off to 1 decimal place) should its consumption be decreased so that the expenditure on petrol remains the same?
Two numbers P and Q are such that the sum of 8% of P and 4% of Q is two-third of the sum of 5% of P and 7% of Q. Find the ratio P : Q.
After giving a discount of 25 percent, selling price of an article becomes Rs. 9510. What is the marked price of the article?
The total surface area of a cuboid is 4200 cm$$^2$$. If the length and breadth of the cuboid are 15 cm and16 cm, then find the height of the cuboid.
Reeta can do a piece of work in 14 days and Geeta can do the same work in 21 days. How many days Reeta and Geeta take together to complete the same work?
Sumati travelled from point A to point B at 475 m/min. The moment that Sumati reached point B, Rachna set off from point B, at a speed 1.6 times the speed at which Sumati travelled and reached point C. If the total distance covered from A to C through B was 45.6 km and the time taken from when Sumati started from point A to when Rachna reached point C was 75 minutes, what is the distance between A and B?