SCHOOL-BASED MATHEMATICS QUIZBEE 2022

Quiz by Arvin Gara

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- 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 textType an Answer30s - 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?

$\backslash frac\{1\}\{21\}$

$\backslash frac\{4\}\{21\}$

$\backslash frac\{1\}\{7\}$

$\backslash frac\{5\}\{42\}$

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 - Q1360s
- 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