Logic and Word Problems
Geometry and Trigonometry
Number Theory
Probability
MHS Shenanigans
100

If five cats can catch five mice in five minutes, how long will it take one cat to catch one mouse?

5 min

100

What do the internal angles of a triangle add up to?

180 degrees (Pi radian is the pro answer)

100

What is the greatest common factor of 48 and 36?

6

100

There are 7 marbles in a bag. 5/7 of them are blue and the rest are red. Once a marble is taken out it is not replaced. What is the probability that the third marble is red given the first two marbles were blue?

2/5

100

Who was our previous president (full name)?

Bumjoon Cha

200

The day before two days after the day before tomorrow is Saturday. What day is it today?

Friday

200

What is the sin of 5pi/6

1/2 or 0.5

200

If a number is divisble by 6, what other two smaller number is it divisble by?

2 and 3

200

A coin is flipped 3 times. Assume the coin is fair. What is the probability that the coin lands on heads exactly two times?

3/8

200

Which teacher did we introduce to the sticker collection last Tidal Wave?

Mr Beck

300

A fish’s head is 3 centimeters long. Its tail is the same length as the head plus half the body. The body is as long as the head and tail together. How long is the fish?

24 centimeters. The head is 3 cm long, the body is 12 cm long, and the tail is 9 cm long.

300

What does it mean for 2 angles to be supplmentary?

the sum of the angles is 180 degrees (pi radians pro answer)

300

What is the sum of the first 5 prime numbers?

28

300

A diving squad of 25 have 18 memeber who dive from 10 m and 17 members who dives from 4m. How many dive from both platforms?

10

300

What room number do we meet in? OR, what did we present last time?

1407, veritasium video

400

The weight of apples from Tony's farm follow a normal distribution with a mean of 158g and standard deviation 13 g. The apples are sold in bags of 6 apples. What is the mean weight and standard deviation of these bags of apples?

Mean = 158*6 = 948
STDev = square root of 486

400

What is the angle between each vertex of a hexagon?

120 degrees (2pi / 3 for pros)

400

What is the smallest prime number above 50?

53

400

A Jar contains 4 red, 3 blue, and 3 green marbles. One marble is randomly selected. given that the marble selected is not green. What is the probablity that it is red?

4/7

400

How many people are on our MHS chat?

43

500

Which of the statement(s), if any, in this list of 10 are false?

#1. Exactly 1 of the statements in this list is false.

#2. Exactly 2 of the statements in this list are false.

#3. Exactly 3 of the statements in this list are false.

#4. Exactly 4 of the statements in this list are false.

#5. Exactly 5 of the statements in this list are false.

#6. Exactly 6 of the statements in this list are false.

#7. Exactly 7 of the statements in this list are false.

#8. Exactly 8 of the statements in this list are false.

#9. Exactly 9 of the statements in this list are false.

#10. Exactly 10 of the statements in this list are false.

All statements but statement 9 are false.

500

What are all three double angle theories for Cosine?

cos^2 (theta) - sin^2 (theta)
2cos^2(theta)-1
1-2sin^2(theta)

500

What is the key difference between combinations and permutations?

A combination refers to how many groups of selections you have made, order does not matter, whilst a permutation refers to the arrangement of items, hence order matters

500

A factory has 2 machines: Machine A produces 60% of the items and has a defect rate of 2% while Machine B produces 40% of the items and has a defect rate of 5%. If a randomly selected item is found to be defecruve, what is the probability it was produced by Machine B?

5/8

500

When (what day) did the first cohort of MAT get inducted?

8th December, Sunday