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# Class 4 Number System Worksheet - 4

1. What is the smallest three digit number?

a) 101                       b) 111
c) 999                       d) 100

2. The sum of the place values of 8's in 78385 is equal to ________.

a) 8800                b) 8080
c) 8008                d) None of these

3. The smallest 6-digit number using the below mentioned digits is equal _______.

3, 0, 7, 9, 5, 2

a) 023579                b) 205379
c) 203579                d) 302579

4. The successor of the largest 5-digit number is the ________ 6-digit number.

a) Smallest                     b) Greatest
c) Greater than               d) Less than

5. The predecessor of the largest 6-digit number using the digits 3, 4, 5, 6, 7, 9 is equal to ________.

a) 976543                       b) 976543
c) 976542                       d) None of these

6. 9 more than ________ is 68500.

a) 68490                       b) 68491
c) 68419                       d) None of these

7. 1 million = ________ lakhs.

a) 10                       b) 100
c) 1                         d) 1000

8. There are ________ zeros in 10 lakhs.

a) 5                       b) 6
c) 7                       d) 8

9. 1 crore = ________ millions.

a) 1                        b) 5
c) 10                      d) 100

10. Which of the following is the largest number?

a) 8212                      b) 8122
c) 8211                      d) 8221

11. Expanded form of 28102 is ________.

a) 20000 + 800 + 10 + 2
b) 20000 + 8000 + 100 + 2
c) 2000 + 8000 + 100 + 2
d) None of these

12. Predecessor of 1 lakh is ________.

a) Smallest 5 digit number
b) Greatest 5 digit number
c) 100001
d) None of these

13. The product of place values of two 7's in 78071 is ________.

a) 490000                      b) 5900000
c) 4900000                    d) 49000000

14. How many zeros are available from 1 to 100?

a) 9                      b) 10
c) 11                    d) 12

15. How many 9's are available from 1 to 100?

a) 10                      b) 15
c) 18                      d) 20

Number System Worksheet - 2

Number System Worksheet - 3