Category: Mathematics

Solution: Find harmonic mean given arithmetic mean and geometric mean of two numbers

Solution: Find the speed of the boat in still water

Solution: How many liters of distilled water should be added to a liter of 35% acid solution

Solution: Juan is taller than Maria by how many percent?

Solution: In how many days can all of them finish the job working together?

Solution: Find the sum of all the odd integers between 100 and 1000

Solution : If there are 105 logs in the pile, how many layers are there?

Solution: How many positive real solutions are there in the polynomial

Solution: Find the total number of spheres piled

Solution: Find the numerical coefficient of the fifth term in the expansion