abc math games

then show that (A+B)+C = A+(B+C..

Question: The sides AB, BC, CA of a triangle ABC have 3, 4 and 5 interior points respectively on them. Find the number of triangles that can be drawn using these points as vertices. Answer: The points 3+4+5=12 points lie in a plane. To construct a triangle, we require three no..

>If A, B and C are the matrices which can be multiplied then (a) Matrix multiplication is not commutative, i.e., AB BA (always) (b) Associative law holds good for matrix multiplication, i.e., (AB)C = A(BC) (c) Matrix multiplication is distributive with respect to addition A(B + C) = AB + ..

Which is an unfair game? => spinning a spinner with two unequal sections or spinning a spinner with equal sections or I don′t know. or Roll a dice. You win if you roll a 1 or 2. Your friend wins if he rolls a 1 or 2...

Which of the following games is fair? => Toss a coin thrice. You win if you get 3 heads and your friend wins if he gets at least one head or tail. or Roll a dice. You win if you roll a 1 or 2. Your friend wins if he rolls a 3 or 4. or I don′t know. or Put 5 red and 2 blue crayons in..

Which of the following games is unfair? => Toss a penny. You get 1 point for each head. Your friend gets 1 point for each tail. or I don′t know. or Put 3 red and 3 blue cubes in a bag. You win if you pick a red cube. Your friend wins if he picks a blue cube. or Roll a dice. You win ..

Jimmy won 40% of the games he played. The total number of games he played is 40. Find the total number of games that Jimmy won. => 13 or 16 or 17 or 18..

The probabilities of John or Paula winning a game are shown in the pie chart. What is the odd of Paula winning the game? Is this a fair game? => 5:5, Unfair or 5:5, Fair or 6:4, Fair or 6:4, Unfair..

Put the following information in matrix form. Three teams have played 17 games. Team A won 10 games and lost 7 games. Team B won 9 games and lost 8 games and Team C won 11 games and lost 6 games. => Won Lost Team A Team B Team C ..

John won 80% of the games he played. The total number of games played by John is 50. Find the number of games he won. => 42 or 40 or 41 or 37..