Squid Game Math Bowl

Front

Back

6

Front

Back

9

Front

In a group of 30 people, each person shakes hands with every other person exactly once. How many handshakes occur in total?

Back

435

Front

Back

1.5

Front

How many positive integers less than 1000 are multiples of 2 or 5 but not 10?

Back

450

Front

What is the formula for the sum of the first n natural numbers?

Back

Front

Define a quadratic function.

Back

Front

What is the relationship between the roots and coefficients of a quadratic equation?

Back

Front

How do you calculate combinations for choosing k items from n items?

Back

Front

What is the formula for the number of handshakes in a group of n people?

Back