The document RS Aggarwal Solutions: Number System Exercise - 1H Notes | EduRev is a part of the Class 6 Course Mathematics (Maths) Class 6.

All you need of Class 6 at this link: Class 6

**Objective questions****Mark (✔) against the correct answer in each of the following****Q.1.The place value of 6 in the numeral 48632950 is**

**(a) 6****(b) 632950****(c) 600000****(d) 486****Ans. **(c) Place value of 6 in 48632950 is 600000**Q.2. The face value of 4 in the numeral 89247605 is****(a) 4****(b) 40000****(c) 47605****(d) 8924****Ans. **(a) Face value of 4 in the numeral

89247605 is 4

(∴ Face value does not alter)**Q.3. The difference between the place value and the face value of 5 in the numeral 78653421 is****(a) 53416****(b) 4995****(c) 49995****(d) none of these****Ans.**

(c) The place of 5 in the numeral

78653421 is 50000 and face value is 5

∴ Difference between 50000 and 5 = 49995**Q.4. The smallest counting number is****(a) 0****(b) 1****(c) 10****(d) none of these****Ans.** (b) The smallest counting number is 1**Q.5. How many 4-digit numbers are there ?****(a) 8999****(b) 9000****(c) 8000****(d) none of these****Ans.**

(b) 4-digit numbers are 1000 to 9999

⇒ 9999 – 999 = 9000**Q.6. How many 7-digit numbers are there ?****(a) 8999999****(b) 9000000****(c) 1000000**

**(d) none of these****Ans.**

(b) 7-digit numbers are from 1000000 to 9999999 or 9999999 – 999999

= 9000000**Q.7. How many 8-digit numbers are there ?****(a) 99999999(b) 89999999**

(c) 8-digit numbers are to 99999999

99999999 – 9999999 = 90000000

**Q.8. What comes just before 1000000 ?****(a) 99999****(b) 999999****(c) 9999999****(d) none of these****Ans.**

The number before 1000000 will be

1000000 – 1 = 999999**Q.9. Which of the following is not meaningful?****(a) VX****(b) XV****(c) XXV****(d) XXXV**

**Ans.**

(a) VX is not meaningful as V does not come before X**Q.10. Which of the following is not meaningful?****(a) CI****(b) CII****(c) IC****(d) XC****Ans.**

(c) IC is not meaningful as I comes before

V and X only**Q.11. Which of the following is not meaningful?****(a) XIV****(b) XVV****(c) XIII****(d) XXII****Ans.** (b) XVV is not meaningful as V does not

comes more than once.

Offer running on EduRev: __Apply code STAYHOME200__ to get INR 200 off on our premium plan EduRev Infinity!

191 videos|224 docs|43 tests

- RS Aggarwal Solutions: Factors and Multiples Exercise - 2A
- RS Aggarwal Solutions: Factors and Multiples Exercise - 2B
- RS Aggarwal Solutions: Factors and Multiples Exercise - 2C
- RS Aggarwal Solutions: Factors and Multiples Exercise - 2D
- RS Aggarwal Solutions: Factors and Multiples Exercise - 2E
- RS Aggarwal Solutions: Factors and Multiples Exercise - 2F