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CBSE Questions for Class 6 Maths Knowing Our Numbers Quiz 2 - MCQExams.com
CBSE
Class 6 Maths
Knowing Our Numbers
Quiz 2
To measure the capacity of Juice in a glass , the appropriate unit is
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$$L$$
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$$mg$$
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$$ml$$
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$$kg$$
Find the value of $$105 \times 112$$ using brackets.
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$$11750$$
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$$11760$$
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$$11770$$
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$$11780$$
The expression $$30 \times ( 190) $$ has value ____.
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$$1701$$
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$$17000$$
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$$5700$$
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$$1250$$
A tank has $$7L$$ $$350ml$$ of water. How many bottles each of $$50ml$$ capacity it can be filled?
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$$140$$
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$$147$$
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$$143$$
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$$149$$
To measure the weight of vegetables , the appropriate unit is
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$$mg$$
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$$g$$
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$$kg$$
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None of these
To measure the capacity of a bucket, the appropriate unit is
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$$milliliter $$
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$$liter$$
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$$gram$$
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$$kg$$
To measure the distance between Delhi and Kolkata, the appropriate unit is
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$$m$$
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$$cm$$
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$$km$$
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$$mm$$
Evaluate the following using brackets:
$$987 \times 99$$
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$$97713$$
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$$99713$$
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$$98713$$
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$$97913$$
To measure the length of your bedroom, which unit one would need ?
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$$m$$
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$$km$$
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$$cm$$
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$$mm$$
Choose the correct representation on the basis of statement given below:
"3 is subtracted from 7 and resulting answer is multiplied by 5."
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$$7 - 3 5$$
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$$(7 - 3) 5$$
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$$(3 - 7) 5$$
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$$(7) - 3 5$$
$$9849475825$$ can be written with commas in International system as
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$$9, 84, 94, 75, 825$$
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$$9, 849,475,825$$
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$$9849, 475, 82, 5$$
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$$9,8,4,9,4,7,5,8,2,5$$
Explanation
The given number is $$9849475825$$
In international numbering system,
The 1st period consists of - ones, tens and hundred.
The 2nd period consists of - thousand, $$10 $$ thousand and $$100 $$ thousand.
The 3rd period consists of - million, $$10$$ million and $$100$$ million.
The 4th period consists of - billion, $$10$$ billion and $$100$$ billion.
$$\therefore $$ $$9849475825$$
is written with commas as (International System)$$ = 9,849,475,825$$
Hence, Option $$B$$ is correct.
Number name for $$123,080,603$$ is
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One two three eighty thousand six hundred three
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One hundred twenty three million. eight thousand six hundred three
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One hundred twenty three million eighty thousand six hundred three
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One twenty three million eighty thousand six hundred
Explanation
$$123,080,603$$ - We can write as One hundred twenty three million eighty thousand six hundred three
Round off to nearest lakhs: The given number is $$38,65,62,048$$
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$$38,68,60,000$$
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$$38,65,600$$
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$$38,65,00,000$$
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$$38,66,00,000$$
Explanation
To round of the given no in nearest lakh we need to see the value at ten thousand place which is $$6$$ it is more than $$5$$.
So we round off lakhs digit to $$5+1=6$$
So we will round off. $$38,65,62,048$$ will become $$38,66,00,000$$
Numeral for five hundred three million eight thousand seven hundred two is
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$$50,03,80,702$$
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$$50,38,00,702$$
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$$503,008,702$$
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$$50,30,80,702$$
Explanation
Numeral for five hundred three million eight thousand seven hundred two, using the international place value system, is $$503,008,702$$
$$\therefore\ $$ Option C is correct.
$$648340021$$ is written with commas as (International System)
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$$648,340,021$$
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$$6,4,8,3,4,0,0,2,1$$
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$$64,83,40,02,1$$
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none of these
Explanation
In international system of numeration,
The 1st period consists of - ones, tens and hundred.
The 2nd period consists of - thousand, 10 thousand and 100 thousands.
The 3rd period consists of - million, 10 million and 100 million.
The 4th period consists of - billion, 10 billion and 100 billion.
$$\therefore $$648340021 is written with commas as (International System)= 648,340,021
Option A is correct.
Round off the given number to the nearest thousands
$$76,823$$.
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$$76,000$$
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$$75,000$$
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$$77,000$$
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$$78,000$$
Explanation
Given, $$76,823$$
We see hundred's place, the hundred place is $$8$$ and it is greater than $$5$$ so we will round up it means $$76,823$$ will become $$77,000$$
Compare and put the appropriate sign:
$$ 100002\ \ \ \square \ \ 1000002.$$
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$$>$$
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$$<$$
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$$=$$
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None
Explanation
Number $$1000002$$ is $$7$$ digit number and number $$100002$$ is a $$6$$ digit number
Hence $$100002 <1000002$$
Compare :$$ 31505 , 31550.$$
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$$>$$
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$$<$$
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$$=$$
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None
Explanation
$$ 31505 < 31550$$
$$\because$$ at tens places number $$31550$$ has $$ 5$$ where as same place number $$31505$$ has $$0$$ and $$0<5$$.
Compare $$67389145\, \Box \,673891450$$ using $$>, <, =$$.
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$$<$$
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$$>$$
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$$=$$
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None of the above
Explanation
We can clearly see that
673891450 is greater than
67389145 as the former has 9 digits while the latter has just 8 digits.
So correct answer will be option A
Number name for 83,07,80,120 is
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eighty three crore seven thousand eighty lakh one hundred twenty
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eighty three crore seven lakh eighty thousand one hundred twenty
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eighty three crore crore seventy thousand eighty lakh one twenty
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none
Explanation
$$83,07,80,120 = 83\times1,00,00,000 + 07\times1,00,000 +80\times1,000 + 120$$
So this will equal to Eighty three crore seven lakh eighty thousand one hundred twenty
So correct answer will be option B
Compare: $$61000285 , 610000285.$$
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$$>$$
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$$<$$
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$$=$$
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None
Explanation
$$ 61000285 < 610000285 $$ as the first number has $$ 8 $$ digits while the second number has $$ 9 $$ digits.
Roman numeral for the smallest four digit number is
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$$X$$
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$$M$$
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$$C$$
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$$D$$
Explanation
The smallest four digit number is $$ 1000 $$ and the Roman numeral for $$1000$$ is $$ M $$.
Choose the correct statement
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$$85868788 >85878688 >85888687$$
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$$85878688 >85868788 >85888687$$
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$$85868788 >85888687 >85878688$$
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$$85888687 >85878688 >85868788$$
Explanation
Comparing $$85868788$$ and $$85878688$$.
Comparing digit by digit, we find that $$85868788 < 85878688$$
and comparing $$85888687$$ with $$85878688.$$
We find that $$85888687 > 85878688$$
So, $$8,58,88,687 > 8,58,78,688 > 8,58,68,788$$
Hence option D is correct.
Compare $$9848022335$$ and $$9848023435$$
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$$<$$
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$$>$$
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$$=$$
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none
Explanation
It is clear that 9848022335 is smaller than 9848023435 So correct answer will be option A
Name of the number $$90,08,00,700$$ is
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Ninety crore eight lakhs seven hundred
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Nine crore eight lakhs seven hundred
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Nine crore eighty lakhs seven hundred
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Ninety crore eighty lakhs seven hundred
Explanation
The given number is $$90,08,00,700$$
$$90,08,00,700 = 90\times1,00,00,000 + 08\times1,00,000 + 7\times100$$
So, the name is "Ninety crore eight lakh seven hundred".
Hence, $$Option- A$$ is correct.
Numeral for seventy crore one thousand is:
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$$7,01,000$$
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$$7,00,01,000$$
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$$70,00,01,000$$
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$$70,01,000$$
Explanation
Seventy crore one thousand
$$=70\times1,00,00,000 + 1\times1,000 = 70,00,01,000$$
So correct answer will be option C.
The Roman numeral for the greatest two digit number is
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$$IC$$
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$$LIL$$
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$$ICCCCD$$
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$$LXLIX$$
Bobby's date of birth is $$19^{th}$$ September. Express the date in Roman system.
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XXI
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XIXX
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IIX
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XIX
Explanation
$$19=XIX$$
Roman numeral for $$2440$$ is
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$$MMCDXL$$
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$$MCDXL$$
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$$MMMDXL$$
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$$MMDLX$$
Explanation
$$M=1000,C=100,X=10 ,I=1$$
$$2440=2000+400+40$$
$$=2000+(500-100)+(50-10)$$
$$= MM CD XL$$
$$2440 = MMCDXL$$
Roman numeral for the greatest single digit number is
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XI
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IC
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IX
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ID
Explanation
$$IX=9$$
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