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#### Resources tagged with Combinations similar to Spectrometry Detective:

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### There are 11 results

Broad Topics > Decision Mathematics and Combinatorics > Combinations

### Spectrometry Detective

##### Age 16 to 18 Challenge Level:

From the atomic masses recorded in a mass spectrometry analysis can you deduce the possible form of these compounds?

### Scratch Cards

##### Age 14 to 16 Challenge Level:

To win on a scratch card you have to uncover three numbers that add up to more than fifteen. What is the probability of winning a prize?

### Last Biscuit

##### Age 11 to 16 Challenge Level:

A game that demands a logical approach using systematic working to deduce a winning strategy

### Teams

##### Age 16 to 18 Challenge Level:

Two brothers belong to a club with 10 members. Four are selected for a match. Find the probability that both brothers are selected.

### Coin Tossing Games

##### Age 14 to 16 Challenge Level:

You and I play a game involving successive throws of a fair coin. Suppose I pick HH and you pick TH. The coin is thrown repeatedly until we see either two heads in a row (I win) or a tail followed by. . . .

### Chances Are

##### Age 14 to 16 Challenge Level:

Which of these games would you play to give yourself the best possible chance of winning a prize?

### The Secret World of Codes and Code Breaking

##### Age 7 to 16

When you think of spies and secret agents, you probably wouldn’t think of mathematics. Some of the most famous code breakers in history have been mathematicians.

### Trominoes

##### Age 11 to 16 Challenge Level:

Can all but one square of an 8 by 8 Chessboard be covered by Trominoes?

### Factoring a Million

##### Age 14 to 16 Challenge Level:

In how many ways can the number 1 000 000 be expressed as the product of three positive integers?

### Take Three from Five

##### Age 14 to 16 Challenge Level:

Caroline and James pick sets of five numbers. Charlie chooses three of them that add together to make a multiple of three. Can they stop him?

### The Olympic Torch Tour

##### Age 14 to 16 Challenge Level:

Imagine you had to plan the tour for the Olympic Torch. Is there an efficient way of choosing the shortest possible route?