Knowing Our Numbers

Maths

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If $\frac{1}{4}$ of a teaspoon is 1 ml, then how many milliliters are in 6 teaspoons?

A

10 ml

B

12.5 ml

C

15 ml

D

20 ml

E

24 ml

Hard

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Hindu-Arabic numeral for $CCXLVII$, is ________.

A

$347$

B

$247$

C

$267$

D

$367$

Hard

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One trillion is 1 followed by 12 zeros. What is 1 followed by 18 zeros?

A

1 quadrillion

B

1 quintillion

C

1 septillion

D

1 octillion

Hard

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The largest four digit and smallest four digit numbers using the digits $4,0,3,7$ is _________.

A

$4370,4307$

B

$3740,3047$

C

$7403,3704$

D

$7430,3047$

Hard

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The correct expanded form for $2.06$ is _______ .

A

$\left(2\times 10\right)+\left(6\times \frac{1}{10}\right)$

B

$\left(2\times 1\right)+\left(6\times \frac{1}{10}\right)$

C

$\left(2\times 1\right)+\left(6\times \frac{1}{100}\right)$

D

$\left(2\times 1\right)+\left(6+\frac{1}{10}\right)$

Hard

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Expanded form of $37034$ is __________.

A

$3000+700+0+30+4$

B

$30000+700+0+10+4$

C

$30000+1000+0+70+4$

D

$30000+7000+0+30+4$

Hard

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Write the greatest $4-digit$ number using different digits with $6$ in the ten's place?

A

$9865$

B

$9867$

C

$9687$

D

$6987$

Hard

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Roman numeral for $498$ is ______.

A

$CDCXVIII$

B

$CDCXIV$

C

$CDXCVIII$

D

$CDXCVII$

Hard

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$♠$n denotes the number obtained when n is rounded to the nearest tenth. For example $♠4.31=4.3$
$♠0.089-♠1.135=$.

A

$1.05$

B

$1.04$

C

$-1.05$

D

$-1.0$

E

$-0.1$

Hard

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Find the greatest number which will divide the greatest $4-digit$ number and the greatest $5-digit$ number exactly.

A

$9$

B

$8$

C

$7$

D

$3$

Hard

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