Knowing our Numbers Test

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Knowing our Numbers Test - 16

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Weekly Quiz Competition

Question 1
1 / -0

Write $$14$$ in numeral form.

A
$$IV$$

B
$$XIV$$

C
$$XVI$$

D
$$XV$$

Solution

In Roman numeral form,
$$10 = X$$
$$4 = IV$$

$$\Rightarrow 14 = XIV$$
Question 2
1 / -0

In Roman Numeral $$C$$ has value of

A
$$100$$

B
$$50$$

C
$$1000$$

D
$$500$$

Solution

In Roman numeral form,
$$100 = C$$
$$50 = L$$
$$1000 = M$$
$$500 = D$$
Question 3
1 / -0

Find the greatest three-digit number using the digits $$7, 6, 3$$

A
$$763$$

B
$$367$$

C
$$637$$

D
$$376$$

Solution

The descending order of the given numbers $$7,6,3$$ is:

$$7>6>3$$

We observe that the smallest digit is $$3$$ and the largest digit is $$7$$, so the number should start with $$7$$ and end with $$3$$.

Thus, the largest number formed is $$763$$.

Hence, the greatest three digit number formed is $$763$$.
Question 4
1 / -0

Round off the following number to the nearest $$10$$ and $$100$$:
$$1634$$

A
$$1630,1600$$

B
$$1640,1730$$

C
$$1740,1700$$

D
$$1640,1734$$

Solution

Rounding off $$1634$$ to nearest $$10$$ and $$100$$ we check if $$3$$ is less than $$5$$ or not,
As $$3 < 5$$, we round it off to $$0$$

$$\therefore 1634$$ to nearest $$10$$ equals $$1630$$ and nearest $$100$$ equals $$1600$$
Question 5
1 / -0

Milli starts from A and travels $$2$$ km and then come back for $$280$$ m. Then, the distance between point A and Milli is ?

A
$$2$$ km

B
$$1$$ km $$720$$ m

C
$$1$$ km $$200$$ m

D
$$1$$ km $$100$$ m

Solution

Let us take the point of start A and point at a distant $$2$$km be B.
$$AB=2$$km=$$2000$$m
As she come back 280m , we assume that point be C.
We have to find out the distance AC
$$AC=AB-BC \therefore AC= 2000m - 280m = 1720m = 1 $$ km $$720$$ m
Question 6
1 / -0

Find a smallest three digit number using the digits $$4,7,9$$

A
$$974$$

B
$$497$$

C
$$479$$

D
$$794$$

Solution

Smallest three digit number which can be formed is if we arrange them in ascending order, i.e. $$479$$

Hence $$479$$ is the smallest three digit number.
Question 7
1 / -0

Estimate $$5679-422$$ by rounding off each number to its greatest place.

A
$$5257$$

B
$$5300$$

C
$$5400$$

D
$$5200$$

Solution

$$\Rightarrow$$ The given two numbers are $$5679$$ and $$422$$.
$$\Rightarrow$$ In number $$5679$$, its tens digit is $$7$$, which is greater than $$5$$.
$$\Rightarrow$$ So, we increase the digits at hundreds place by $$1$$ and replace each one of the digits at tens and ones place by $$0$$ to round off the given number to its greatest place.
$$\therefore$$ Round off 5679 to its greatest place is $$5700$$
$$\Rightarrow$$ In number $$422$$, its Itens digit is 2, which is less than 5.
$$\Rightarrow$$ So, we replace each of the tens and ones digits by 0 and keep the other digits as they are to round off the given number to its greatest.
$$\therefore$$ Round off 422 to its greatest place is $$400$$
$$\therefore$$ Required number = $$5700-400=5300$$
Question 8
1 / -0

By referring the given figure, identify the distance between $$A$$ and $$B$$.

A
$$4$$

B
$$6$$

C
$$8$$

D
$$10$$

Solution

For calculating the distance between $$A$$ and $$B$$, we need the sum of the distances between the points.
$$AB=1+2+1+3+1+2=10$$
Question 9
1 / -0

Convert the following into grams :
$$24\ kg$$

A
$$2,400\ gm$$

B
$$24,000\ gm$$

C
$$240\ gm$$

D
$$24\ gm$$

Solution

We know that

$$1$$ $$kg =1000$$ $$grams$$

$$1$$ $$gm =\dfrac1{1000}$$ $$kg$$

Given That, we have to convert $$24$$ $$kg$$ to $$gm$$

$$24$$ $$kg =24 \times 1000$$ $$gm$$

$$=24,000$$ $$gm$$

So, option $$B$$ is correct
Question 10
1 / -0

Convert $$6045\ m$$ into kilometres and metres.

A
$$6\ km\ 45\ m$$

B
$$60\ km\ 45\ m$$

C
$$6\ km\ 450\ m$$

D
$$645\ km$$

Solution

We know that

$$1$$ $$kilo meter =1000$$ $$m$$

$$1$$ $$m =\dfrac1{1000}$$ $$km$$

Given That, we have to convert $$6045$$ $$m$$ to $$kilometer$$

$$6045$$ $$m =\dfrac1{1000} \times 6045$$ $$km$$

$$=\dfrac{6045}{1000} $$ $$km$$

$$= 6.045$$ $$kilo meter$$

or $$= 6$$ $$km$$ $$45 $$ $$m$$

So, Option $$A$$ is correct

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Re-Attempt Weekly Quiz Competition

Knowing our Numbers Test - 16

Result

Knowing our Numbers Test - 16

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SHARING IS CARING

Question 1

$$IV$$

$$XIV$$

$$XVI$$

$$XV$$

Solution

Question 2

$$100$$

$$50$$

$$1000$$

$$500$$

Solution

Question 3

$$763$$

$$367$$

$$637$$

$$376$$

Solution

Question 4

$$1630,1600$$

$$1640,1730$$

$$1740,1700$$

$$1640,1734$$

Solution

Question 5

$$2$$ km

$$1$$ km $$720$$ m

$$1$$ km $$200$$ m

$$1$$ km $$100$$ m

Solution

Question 6

$$974$$

$$497$$

$$479$$

$$794$$

Solution

Question 7

$$5257$$

$$5300$$

$$5400$$

$$5200$$

Solution

Question 8

$$4$$

$$6$$

$$8$$

$$10$$

Solution

Question 9

$$2,400\ gm$$

$$24,000\ gm$$

$$240\ gm$$

$$24\ gm$$

Solution

Question 10

$$6\ km\ 45\ m$$

$$60\ km\ 45\ m$$

$$6\ km\ 450\ m$$

$$645\ km$$

Solution

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