SCHOOL-BASED MATHEMATICS QUIZBEE 2022

Quiz by Arvin Gara

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30 questions
• Q1

The average of the first 50 natural numbers is …………..

20

25.50

18.50

25

30s
• Q2

106 × 106 – 94 × 94 = ?

2400

1906

1904

2004

30s
• Q3

What is 7% equal to?

0.07

7

0.007

0.7

30s
• Q4

If David’s age is 27 years old in 2011. What was his age in 2003?

17

20

19

37

30s
• Q5

What is three fifth of 100?

3

5

60

20

30s
• Q6

The father of geometry, he is most famous for his work "The Elements".

Ptolemy

Pythagoras

Euler

Euclid

30s
• Q7

This mathematician is best known for his work of combining applications of algebra to geometry. He has a plane named after him.

Pythagoras

Blaise Pascal

Pierre De Fermat

Rene Descartes

30s
• Q8

The capital state of this Greek letter operates summation whilst the lower case state can mean standard deviation. Which letter covers both of these phenomena?

Pi

Delta

Sigma

Lambda

30s
• Q9

What is the smallest perfect number?

Users enter free text
30s
• Q10

In what country were negative numbers first used?

China

India

Greece

Egypt

30s
• Q11

Consider a dice with the property that the probability of a face with n dots showing up is proportional to n. The probability of the face showing 4 dots is?

$\frac\left\{1\right\}\left\{21\right\}$

$\frac\left\{4\right\}\left\{21\right\}$

$\frac\left\{1\right\}\left\{7\right\}$

$\frac\left\{5\right\}\left\{42\right\}$

60s
• Q12

Runs scored by batsman in 5 one day matches are 50, 70, 82, 93, and 20. The standard deviation is ______

25.29

25.69

25.49

25.79

60s
• Q13
60s
• Q14

Which set of coordinates describes a function?

{( 4, - 3), ( - 4, - 6), ( 4, 3), ( - 4, 6)}

{(- 5, - 1), (- 3, - 3), (- 1, - 5), (- 5, - 7)}

{( 6, 3), (4, 5), (2, 3), (0, 5)}

{( 2, 4), ( 2, - 4), ( 4, 8), ( 6, 2)}

60s
• Q15

Find the median of these numbers: 4, 2, 7, 4, 34

5

10

7

4

60s

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