1.Two cars are initially 150 kilometers apart and are driving towards each other. One car travels at 60 km/h while the other moves at 40 km/h. How long will it take for them to meet?
2.How many centimeters are equivalent to twelve inches?
3.Who is recognized as the pioneer of calculus?
4.What is the equivalent length of 1 inch in centimeters?
5.Given three groups of students with sizes 55, 60, and 45 having average scores of 50, 55, and 60 respectively, what is the combined average score of all the students?
6.A car is sold for Rs. 50,000 resulting in a 17% profit. What would be the profit percentage if the same car is sold for Rs. 47,000?
7.Masood buys a plot for Rs. 8,000 and sells it to Aftab with a 20% profit. Aftab then sells the same plot to Zahid at a 20% loss. What is the price Zahid pays for the plot?