Topic: Physics Difficulty: 8/10 Hint in 3….. 2……… 1……… Use Conservation of Energy Solution in 3….. 2……… 1……… FULL SOLUTION Step 1: Find the spring constant(k) by using static deflection equation(mg=kx, where x = 0.1m) Step 2: Use C.O.E to find the how much the spring is stretched. (Potential Energy(mgh)Continue reading “Trampoline”
Category Archives: Brilliant Quiz
Outfits on World Tour
Topic: Permutation Difficulty: 3/10 Hint in 3….. 2……… 1……… If Suzy has 3 tops and 2 bottoms, she can have different outfit combinations for (3 x 2) days Solution in 3….. 2……… 1……… FULL SOLUTION Step 1: Using the hint, she has 7 x 5 x 3 = 105 different outfits. Step 2: SinceContinue reading “Outfits on World Tour”
Adorable Numbers
Topic: Numbers Difficulty: 8/10 Hint in 3….. 2……… 1……… The smallest adorable number is 9 because 2+3+4 is the smallest possible values for a,b &c Solution in 3….. 2……… 1……… FULL SOLUTION Step 1: Since 9 is the smallest adorable number, numbers 1 to 8 are not adorable Step 2: If c is alwaysContinue reading “Adorable Numbers”
Knights & Knaves
Topic: Logic Difficulty: 5/10 Hint in 3….. 2……… 1……… Try to figure out A’s identity first Solution in 3….. 2……… 1……… FULL SOLUTION Step 1: If “A” is a knave, his statement would be false which means that none of them are knaves, which then contradictsContinue reading “Knights & Knaves”
Pass the Odds
Topic: Logic/Numbers Difficulty: Easy Hint in 3….. 2……… 1……… Odd + Odd = Even 2 x (any number) = Even Solution in 3….. 2……… 1……… FULL SOLUTION Step 1: Add the 2 statements together: a + 2b + 2c + d = EVEN Step 2: Since (2b+ 2c) is EVEN, (a+d) must beContinue reading “Pass the Odds”
Chess Tournament
Topic: Counting Difficulty: Manageable Hint in 3….. 2……… 1……… Sum of points after 1st round = (Matches played) x (Combined points in a match) Solution in 3….. 2……… 1……… FULL SOLUTION Step 1: 12 players means that 6 games are being played at a given time Step 2: Each player willContinue reading “Chess Tournament”