Читать книгу The Ultimate Mathematical Challenge: Over 365 puzzles to test your wits and excite your mind - Литагент HarperCollins USD, F. M. L. Thompson - Страница 34

Shuttle Challenge 2

See Shuttle Challenge 1 for how the Shuttle works.

Question 1

What is the value of ?

Question 2

[A is the answer to Question 1.]

The number A is an example of a palindromic integer – one that is unchanged when the order of its digits is reversed.

How many palindromic integers are there from 300 to A inclusive?

Question 3

[A is the answer to Question 2.]

The diagram shows a triangle drawn on a square grid made up of nine smaller squares.

The area of the shaded triangle is A cm².

What is the area, in cm², of one of the smaller squares?

Question 4

[A is the answer to Question 3.]

Write the number A as a word in the gap shown in the following sentence.

Out of the first __________ letters in this sentence, what fraction is vowels?

Now answer the question.

[SOLUTION]