ML Aggarwal Knowing Our Numbers MCQs Class 6 ICSE Maths Solutions. We Provide Step by Step Answer of MCQs Questions for Knowing Our Numbers as council prescribe guideline for upcoming board exam. Visit official Website CISCE for detail information about ICSE Board Class-6.

## ML Aggarwal Knowing Our Numbers MCQs Class 6 ICSE Maths Solutions

Board | ICSE |

Publications | Avichal Publishig Company (APC) |

Subject | Maths |

Class | 6th |

Chapter-1 | Knowing Our Numbers |

Writer | ML Aggarwal |

Book Name | Understanding |

Topics | Solution of MCQs |

Edition | 2023-2024 |

**Knowing Our Numbers MCQs**

ML Aggarwal Class 6 ICSE Maths Solutions

Page-21

**Mental Maths**

**Question 1. Fill in the blanks:**

(i) The digit …………… has the highest place value in the number 2309.

(ii) The digit …………… has the highest face value in the number 2039.

(iii) The digit …………… has the lowest place value in the number 2039.

(iv) Both Indian and International systems of numeration have …………… period in common.

(v) In the International system of numeration, commas are placed from …………… after every …………… digits.

(vi) The bigger number from the numbers 57,631 and 57,361 is ……………

(vii) 1 crore = …………… million

(viii) The smallest 4-digit number with 3 different digits is ……………

(ix) The greatest 4-digit number with 3 different digits is ……………

(x) 15 km 300 m = …………… m

(xi) 7850 cm = …………… m …………… cm

(xii) The number 5079 when estimated to the nearest hundreds is ……………

**Answer:**

(i) The digit **2** has the highest place value in the number 2309.

(ii) The digit **9** has the highest face value in the number 2039.

(iii) The digit** 0** has the lowest place value in the number 2039.

(iv) Both Indian and International systems of numeration have **1** period in common.

(v) In the International system of numeration, commas are placed from **right** after every **3** digits.

(vi) The bigger number from the numbers 57,631 and 57,361 is **57,631**

(vii) 1 crore = **10** million

(viii) The smallest 4-digit number with 3 different digits is **1002**

(ix) The greatest 4-digit number with 3 different digits is **9987**

(x) 15 km 300 m = **15300** m

(xi) 7850 cm = **78** m **50** cm

(xii) The number 5079 when estimated to the nearest hundreds is **5100**

**Question 2. State whether the following statements are true (T) or false (F):**

(i) The difference between the place value and the face of the digit 7 in the number 2701 is 693.

(ii) The smallest 4-digit number -1 = the greatest 3-digit number.

(iii) The place of a digit is independent of whether the number is written in the Indian system or International system of numeration.

(iv) In the International system, a number having less number of digits is always smaller than the number having more number of digits.

(v) The estimated value of 9999 to the nearest tens is 10000.

**Answer:**

(i) **True**

(ii) **True**

(iii) **True**

(iv) **True**

(v) **True**

**Knowing Our Numbers MCQs**

ML Aggarwal Class 6 ICSE Maths Solutions

Page-21

**Question 3. The face value of the digit 5 in the number 36503 is**

**(a) 5**

(b) 503

(c) 500

(d) none of these

**Answer:**

Option (a) 5 is correct

**Question 4. The difference between the place values of 6 and 3 in 76834 is**

(a) 3

(b) 5700

(c) 5930

**(d) 5970**

**Answer:**

place values of 6 and 3 in 76834 is= 6000-30= 5970

Option (d) 5970 is correct

**Question 5. The sum of the place values of all the digits in 5003 is**

(a) 8

(b) 53

**(c) 5003**

(d) 8000

**Answer:**

Option (c) 5003 is correct

**Question -6. The total number of 4-digit numbers is**

**(a) 9000**

(b) 9999

(c) 10000

(d) none of these

**Answer:**

greatest 3 digit = 999

greatest 4 digit = 9999

total number= deference

=9999-999 =9000

Option (a) 9000 is correct

**Question -7. The product of the place values of two-threes in 73532 is**

(a) 9000

**(b) 90000**

(c) 99000

(d) 1000

**Answer:**

product of the place values of two-threes in 73532 is= 3000 x 30 = 90000

Option (b) 90000 is correct

**Knowing Our Numbers MCQs**

ML Aggarwal Class 6 ICSE Maths Solutions

Page-22

**Question 8. The smallest 4-digit number having distinct digits is**

(a) 1234

(b) 1023

(c) 1002

(d) 3210

**Answer:**

Option (b) 1023 is correct

**Question 9. The largest 4-digit number having distinct digits is**

(a) 9999

(b) 9867

(c) 9786

(d) 9876

**Answer:**

option (d) 9876 is correct

**Question 10. The largest 4-digit number is**

(a) 9999

(b) 9876

(c) 9990

(d) none of these

**Answer:**

option (a) 9999 is correct

**Question 11. The difference between the largest number of 3-digit and the largest number of 3-digit with distinct digits is**

(a) 0

(b) 10

(c) 12

(d) 14

**Answer:**

largest number of 3-digit = 999

largest number of 3-digit with distinct digits =987

difference between =999 – 987 = 12

option (c) 12 is correct

**Question 12. If we write natural numbers from 1 to 100, the number of times the digit 5 has been written is**

(a) 11

(b) 15

(c) 19

(d) 20

**Answer:**

Option (d) 20 is correct

**Question -13. The number 28,549 when rounded off to the nearest hundreds is**

(b) 28,500

(c) 28,600

(d) 29,000

**Answer:**

Option (b) 28,500 is correct

**Question 14. The smallest natural number which when rounded off to the nearest hundreds as 500 is**

(a) 499

(b) 501

(c) 450

(d) 549

**Answer:**

Option (c) 450 is correct because when rounded off to the nearest hundreds is 500

**Question 15. The greatest natural number which when rounded off to the nearest hundreds as 500 is**

(a) 549

(b) 599

(c) 450

(d) none of these

**Answer:**

Option (a) 549 is correct

**Question 16. The greatest 5-digit number formed by the digits 3, 0, 7 is**

(b) 77730

(c) 77330

(d) none of these

**Answer:**

Option (b) 77730 is correct

**Question 17. In the International place value system, we write 1 billion fo**

(a) 10 lakh

(b) 1 crore

(c) 10 crore

(d) 100 crore

**Answer:**

Option (d) 100 crore is correct

— : End of ML Aggarwal Knowing Our Numbers MCQs Class 6 ICSE Maths Solutions :–

Return to **–** ML Aggarwal Maths Solutions for ICSE Class -6

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