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Maths Quiz for Class 6 Knowing Our Numbers |
In this post, you will find 20 online maths quiz questions for class 6 knowing our numbers. Online maths quiz will take around 20 minutes or less to complete it.
Question 1: In Indian system of numeration, 485762481 can be written using commas as ________________.
A) 4,85,76,24,81
B) 485,762,481
C) 48,57,62,481
D) 4,85,762,481
Explanation: 485762481 can be written using commas as 48,57,62,481.
Question 2: The numeral for the expanded form 9,00,00,000 + 30,000 + 600 + 8 is ____________.
A) 9,00,30,608
B) 9,00,03,608
C) 9,30,608
D) 9,03,00,608
Explanation: 9,00,00,000 + 30,000 + 600 + 8 = 9,00,30,608
Question 3: The place value of 7 in 59,71,34,024 is _______________.
A) 70,00,000
B) 7,00,000
C) 70,000
D) 7,00,00,000
Explanation: The place value of 7 in 59,71,34,024 is 70,00,000.
Question 4: The sum of the place value and face value of the digit 4 in 38,91,45,172 is ________________.
A) 4,00,004
B) 40,004
C) 40,00,004
D) 4,00,00,004
Explanation: The sum of the place value and face value of the digit 4 in 38,91,45,172 = 40,000 + 4 = 40,004
Question 5: The sum of the greatest and the smallest 8-digit numbers is ________________.
A) 99,99,99,999
B) 10,99,99,999
C) 10,90,99,999
D) 10,09,99,999
Explanation: The sum of the greatest and the smallest 8-digit numbers = 9,99,99,999 + 1,00,00,000 = 10,99,99,999
Question 6: Inserting comma in 329183207 according to international system of numeration is ____________.
A) 3,29,18,32,07
B) 32,91,83,207
C) 329,183,207
D) 3,291,83,207
Explanation: Inserting comma in 329183207 according to international system of numeration is 329,183,207.
Question 7: The difference between the place values of two 6s in 3,85,69,263 is _____________.
A) 59,904
B) 59,940
C) 59,490
D) 69,940
Explanation: The difference between the place values of two 6s in 3,85,69,263 = 60,000 – 60 = 59,940
Question 8: 10 million = __________
A) 10 crores
B) 10 thousand
C) 10 lakhs
D) 1 crore
Explanation: Since 1 million = 10 lakhs, therefore, 10 million = 10 × 10 lakhs = 100 lakhs = 1 crore
Question 9: 1 billion = ________crore
A) 100
B) 10
C) 1000
D) 1
Explanation: 1 billion = 100 crore
Question 10: The population of a city is 45,83,290. Out of which, 21,36,476 are men, 18,42,576 are women and the remaining are children. Find the number of children in the city.
A) 6,40,238
B) 6,04,338
C) 6,04,238
D) 6,14,238
Explanation: Number of children in the city = 45,83,290 – (21,36,476 + 18,42,576) = 45,83,290 – 39,79,052 = 6,04,238
Question 11: 90 (79 – 69) = ________
A) 100
B) 900
C) 9000
D) 90
Explanation: 90 (79 – 69) = 90 × 10 = 900
Question 12: The smallest 9-digit number that can be formed using the digits 2, 0, 3, 6, 1, 4, 9, 5 and 8 is ____________.
A) 12,03,45,689
B) 10,23,45,689
C) 21,03,45,689
D) 10,32,45,689
Explanation: The smallest 9-digit number that can be formed using the digits 2, 0, 3, 6, 1, 4, 9, 5 and 8 is 10,23,45,689.
Question 13: The number 34,76,598 rounded off to the nearest ten is ___________.
A) 34,76,600
B) 34,76,610
C) 34,76,590
D) 34,76,580
Explanation: The number 34,76,598 rounded off to the nearest ten is 34,76,600.
Question 14: The number 2,75,35,551 rounded off to the nearest hundred is ___________.
A) 2,75,36,000
B) 2,75,35,500
C) 2,75,35,550
D) 2,75,35,600
Explanation: The number 2,75,35,551 rounded off to the nearest hundred is 2,75,35,600.
Question 15: The number 5,28,45,921 rounded off to the nearest thousand is ___________.
A) 5,28,45,000
B) 5,28,45,900
C) 5,28,46,000
D) 5,28,46,900
Explanation: The number 5,28,45,921 rounded off to the nearest thousand is 5,28,46,000.
Question 16: The estimated sum of 5,76,23,498 and 2,35,47,324 to the nearest hundred is ___________.
A) 8,11,70,700
B) 8,11,70,800
C) 8,11,70,900
D) 8,11,71,000
Explanation: The estimated sum of 5,76,23,498 and 2,35,47,324 to the nearest hundred = 5,76,23,500 + 2,35,47,300 = 8,11,70,800
Question 17: The estimated difference between 9,54,27,175 and 4,38,56,982 to the nearest thousand is ______________.
A) 5,15,70,000
B) 5,15,71,000
C) 5,15,60,000
D) 5,16,70,000
Explanation: The estimated difference between 9,54,27,175 and 4,38,56,982 to the nearest thousand = 9,54,27,000 – 4,38,57,000 = 5,15,70,000
Question 18: The Roman numeral for 1279 is _______.
A) MCCLXIX
B) MCLXXIX
C) MCCLXXIX
D) MCCLXXXIX
Explanation: 1279 = 1000 + 200 + 50 + 20 + 9(10 – 1) = MCCLXXIX
Question 19: The Hindu-Arabic numeral for MMDCXXVI is ___________.
A) 1626
B) 2626
C) 2526
D) 2625
Explanation: MMDCXXVI = 1000 + 1000 + 500 + 100 + 10 + 10 + 5 + 1 = 2626
Question 20: MDCCXXIX – DCCLXIV = _______
A) CMLXIV
B) CMLXVI
C) CMLXV
D) CMLXXV
Explanation: MDCCXXIX – DCCLXIV = 1729 – 764 = 965 = CMLXV
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