Solution: What is the probability of getting exactly 3 tails in 5 throws?

Solution: Determine the radius of the circle

Solution: What is the probability that the cards are diamond?

Solution: In how many ways the three winners are to be chosen?

Solution: Find the 16th term of the expansion (x-2)^20

Solution: Find the sum of a 20 terms Geometric Progression

Solution: Find the total amount of money used

Solution: Find the prize given to the first place

Solution: Find the distance that she walked after finishing the 4 mph walk

Solution: How many hours should she work per week to earn 200?