Mathematical Challenge!

Question 1

Using the digits 9 7 6 4 2 0 once each to make the smallest even

number, which digit is in the hundreds column?

A 2

£100

C 6

B 4

D 7 E 9

Mathematical Challenge!

Question 2

What fraction is has the same value as 0.0125?

A 1/125

£200

C 1/80

B 1/8

D 11/4 E none of these

Mathematical Challenge!Question 3

Angle ABC equals?

A 135º

£500

C 60 º

B 45º

D 90 º E not sure

A

B

D C

Mathematical Challenge!Question 4

A man drove from Bristol to Bath at an average speed of 40mph, and then

from Bath to Hove at average of 30mph. What was the average speed

for the whole journey?

A 34mph

£1000

C 36mph

B 35mph

D 70mph E need moreinfo

Mathematical Challenge!Question 5

Which of these is the largest?

A 1990

£2000

C 1990

B 19 x 90

D 1990 E 1990

Mathematical Challenge!Question 6

A perfect number is a number whose factors add up to that number. There is a perfect

number between 20 and 30. What is it?

A 21

£4000

C 25

B 24

D 27 E 28

Mathematical Challenge!

Question 7

1-2+3-4+5-6+…+97-98+99 equals?

A 0

£8000

C 49

B -50

D 48 E 50

Mathematical Challenge!Question 8

Helen cycles steadily for 36 miles. If she had managed to go 3mph faster she would have taken one hour less. What was her average

speed (in mph)?A 6

£16000

C 12

B 9

D 18 E 24

Mathematical Challenge!Question 9

A windmill has sails whose tips describe a circle of diameter 38m. If the centre of the circle is 40m above the ground, how close to

the ground do the tips pass?A 1m

£32000

C 18m

B 2m

D 21m E 78m

Mathematical Challenge!Question 10

Which of the following pairs x,y will not satisfy the equation

29x - 18y = 15?

A 3,4

£64000

C 21,33

B 39,62

D 94,149 E 75,120