Age Problem and Geometry Question

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How old is Lewis now?

34 years old

30 years old (correct)

26 years old

38 years old

What is the sum of the cosines of the internal angles of an isosceles right triangle?

$2\sqrt{2}$

$\sqrt{2}$

$2$ (correct)

$1 + \sqrt{2}$

What is the distance between point P and centre O in the circle scenario described?

$3$ cm

$1$ cm

$\sqrt{3}$ cm (correct)

$2$ cm

After taking away the semicircle of diameter AO and rotating along AB by 360 degrees, what is the volume of the resulting solid?

$\frac{8\pi}{3}$ cubic cm Signup and view all the answers

What is the equation of the axis of the segment AB with points A(0,0) and B(1,1)?

$y = x$ Signup and view all the answers

What is the ratio between the area of the circle circumscribed around a square and the area of the circle inscribed in that square?

$4:1$ Signup and view all the answers

How many ways are there to order the numbers 28, 29, 36, 43, 55 if each odd number is in an odd position and each even number is in an even position?

12 ways Signup and view all the answers

What is the minimum number of attempts Uncle Scrooge has to make to be sure to open his electronic vault?

252 attempts Signup and view all the answers

How many 20 euros banknotes does Martha have, considering she can't break a banknote lower than 5 euros?

11 banknotes Signup and view all the answers

What did Countagain prove based on his disapproval of Countalot's conjecture about Incredible numbers having at least one with 8 distinct prime factors?

Not all Incredible numbers have at least 8 distinct prime factors Signup and view all the answers

In how many days will the whole pond surface be completely covered by archaebacteria if initially two bacteria are put in the pond?

$29$ days Signup and view all the answers

What percentage of the inhabitants own only a fridge in the town of Sparagna?

25% Signup and view all the answers

Age Problem and Geometry Question

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Questions and Answers

How old is Lewis now?

What is the sum of the cosines of the internal angles of an isosceles right triangle?

What is the distance between point P and centre O in the circle scenario described?

After taking away the semicircle of diameter AO and rotating along AB by 360 degrees, what is the volume of the resulting solid?

What is the equation of the axis of the segment AB with points A(0,0) and B(1,1)?

What is the ratio between the area of the circle circumscribed around a square and the area of the circle inscribed in that square?

How many ways are there to order the numbers 28, 29, 36, 43, 55 if each odd number is in an odd position and each even number is in an even position?

What is the minimum number of attempts Uncle Scrooge has to make to be sure to open his electronic vault?

How many 20 euros banknotes does Martha have, considering she can't break a banknote lower than 5 euros?

What did Countagain prove based on his disapproval of Countalot's conjecture about Incredible numbers having at least one with 8 distinct prime factors?

In how many days will the whole pond surface be completely covered by archaebacteria if initially two bacteria are put in the pond?

What percentage of the inhabitants own only a fridge in the town of Sparagna?

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