Houses cost £100 000 one year ago they now cost £ this is a 25% increase

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a