Solution: What is the longest dimension of parallelepiped?

Solution: What is the area of the cross section of the opposite edges?

Solution: What is the depth of the water if the volume is 12 liters?

Solution: Find the height from the base of the cone to the point of tangency

Solution: Find the volume and lateral area of the galvanized aluminium roof

Solution: What is the total surface area of a pyramid inside the cube?

Solution: Find the combination of 5 object taken 1,2,3,4, and 5

Solution: Find the probability of getting the sum of the two dice greater than 10

Solution: Find the probability of getting at least 3 two’s in 4 throws

Solution: How many 5-hand card will have 3 aces and 2 kings?