9th
grade

Mathematics

59%

accuracy

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Pradeep Kumar Bansal

3 years

Mathematics

9th

grade

Number System

Pradeep Kumar Bansal

22
plays

20 questions

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1. Multiple Choice
20 seconds
1 pt
What is Natural number
Counting number
Fraction
negative
none
2. Fill in the Blank
20 seconds
1 pt
$\sqrt{5}$ is rational or irrational
3. Multiple Choice
20 seconds
1 pt
1,00,000 is the smallest 6 digit number. True/ false?
True
False
4. Multiple Choice
45 seconds
1 pt
What is the successor of 36,79,999?
40,00,000
36,00,000
36,80,000
5. Multiple Choice
45 seconds
1 pt
The number 235,006 can be written in words in the international system of numeration as?
Two hundred thirty five thousand six
Two lakh thirty five thousand six
Twenty three lakh thirty five thousand six
Twenty three lakh thirty five thousand six
6. Multiple Choice
1 minute
1 pt
Jose flew one hundred seventy-two thousand, four hundred twelve miles last year for work. How is this number written?
172,124
172,214
172,412
172,421
7. Multiple Choice
1 minute
1 pt
Change 5/8 into a decimal.
1.6
5.8
.58
.625
8. Multiple Choice
30 seconds
1 pt
$2\sqrt{3}+\ \sqrt{3}$ is equal to
$2\sqrt{6}$
6
$3\sqrt{3}$
$4\sqrt{6}$
9. Multiple Choice
45 seconds
1 pt
The number obtained on rationalizing the denominator of $\frac{1}{\sqrt{7}-2}$ is
$\frac{\sqrt{7}+2}{3}$
$\frac{\sqrt{7}-2}{3}$
$\frac{\sqrt{7}+2}{5}$
$\frac{\sqrt{7}-2}{5}$
10. Multiple Choice
30 seconds
1 pt
The number obtained on rationalizing the denominator of $\frac{3}{\sqrt{3}}$ is
3
$\frac{\sqrt{3}}{3}$
$\sqrt{3}$
$3\sqrt{3}$
11. Multiple Choice
45 seconds
1 pt
$2^{\frac{1}{3}}\times\ 2^{\frac{1}{6}}$ is equal to
2
$2^{\frac{1}{2}}$
$2^{\frac{1}{3}}$
3
12. Multiple Choice
30 seconds
1 pt
Classify the following:
0.04769165821735......
Irrational
Rational
13. Multiple Choice
45 seconds
1 pt
What is the definition of integers?
Numbers you count on your fingers and toes
Natural numbers and zero
Whole numbers and their opposites
Terminating or repeating decimals
14. Multiple Choice
45 seconds
1 pt
-14 could NOT be which type of number?
Integer
Real
Rational
Natural
15. Multiple Choice
45 seconds
1 pt
Which of the following is not a part of the set of rational numbers ?
-42
5/0
0
14.7
16. Multiple Choice
1 minute
1 pt
Which statement is NOT true?
0.121212… is a rational number.
0.34353637 is an irrational number.
8.14 is a rational number.
5.12345… is an irrational number.
17. Fill in the Blank
45 seconds
1 pt
What is the $\frac{p}{q}$ form of 0.252525... ?
18. Multiple Choice
1 minute
1 pt
Which of the following statements is true?
Every rational number is an integer
Every whole number is a natural number
Every integer is a whole number
Every whole number is a rational number
19. Multiple Choice
45 seconds
1 pt
$\frac{3}{5+2\sqrt{3}}$ can be expressed with rational denominator as ________________________ ?
$\frac{15\ -\ 6\ \sqrt{3}}{13}$
$\frac{15\ -6\sqrt{3}}{37}$
$\frac{6\sqrt{3\ }\ -15}{13}$
$\frac{6\sqrt{3}\ -15}{37}$
20. Multiple Choice
30 seconds
1 pt
What is the value of $3^{-3}$ ?
27
$\frac{1}{27}$
-27
$\frac{-1}{27}$
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