For the following questions answer them individually
A car starts from point A towards point B, travelling at the speed of 20 km/h. $$1 \frac{1}{2}$$ hours later, another car starts from point A and travelling at the speed of 30 km/h and reaches $$2 \frac{1}{2}$$ hours before the first car. Find the distance between A and B.
The difference between a discount of 25% and two successive discounts of 15% and 10% on a certain bill was ₹25. Find the amount of the bill.
A trader has a weighing balance that shows 1300 g for a kg. He further marks up his cost price by 15%. The net profit percentage is:
In triangle ABC, the bisector of angle BAC cuts the side BC at D. If AB = 10 cm, and AC = 14 cm, then what is BD : BC ?
The table given below shows the number of people in different states.
What is the ratio of number of people in state C to the number of people in state E?
₹5,000 is divided into two parts such that if one part is invested at 4% and the other at 5%, then the whole annual interest from both the sums is ₹223. How much was invested at 4%?
The table given below shows the number of truck sold by six companies.
Number of trucks sold by L are what percent of number of trucks sold by J?
If the volume of a sphere is 24,416.64 $$cm^{3}$$, find its surface area (take $$\pi =3.14$$) correct to two places of decimal.