Predecessors and Successors

Q. Write the smallest and the greatest 5-digit numbers using the digits 0, 2, 4, 6, 8 (Repetition of digits is not allowed).

Q. Identify the predecessor of the smallest 4 digit number.

1. 1000
2. 999
3. 1001
4. 998

Q. Form the smallest 4-digit numbers using the digits 9, 0, 5 and 3 (if repetition of digits is not allowed).

Q. What is the difference between the largest and smallest numbers that you can make with the digits 6, 3, 9 and 8 without repetition?

Q. Which of the following digits of $9170$ on interchanging, will transform it to a 3-digit number?

1. 1st and 2nd digits
2. 3rd and 1st digits
3. 1st and 4th digits
4. 2nd and 4th digits

Q.

Form the greatest and smallest $7$-digit numbers using the digits $1,4,9,2,5,6and3$ only once.

Q. What is the difference between the successor of the least 5 digit number and predecessor of the greatesr 3 digit number?

1. 3009
2. 9003
3. 9033
4. 9030

Q. The smallest 6-digit number that can be formed by the digits 7, 6, 0, 5, 8 and 4 is _______.

1. 405678
2. 45678
3. 876504
4. 450678

Q. When the numbers are arranged from the largest to the smallest, those numbers are said to be in________________.

1. Increasing in order
2. Descending order
3. Ascending order
4. Decreasing in order

Q. The largest number that can be formed using the digits 9, 5, 1, 3 without repetition is _____.

1. 9, 153
2. 9, 351
3. 9, 531
4. 9, 513

Q. Identify the smallest 3 digit number that can formed using the digits 8, 5 and 1 by taking each digit once.

1. 158
2. 851
3. 185
4. None of the above

Q. What is the predecessor of the number 345?

1. 343
2. 344
3. 346
4. 347

Q.

The single digit predecessor of a two digit number is

1. 4

2. 10

3. 8

4. 9

Q.

To form a smallest number using the given digits, the digits are arranged such that their value keeps on _______ as we move from left to right.

1. differentiating

2. varying

3. increasing

4. decreasing

Q. All whole numbers have a predecessor.

1. True
2. False

Q.

Arrange the following numbers in ascending order :

$7777,77770,70007,7007,77000$

Q. Arrange the following numbers in ascending order:

71, 81, 11, 21, 31, 51

1. 11, 21, 31, 51, 71, 81
2. 31, 51, 71, 81, 11, 21,
3. 71, 81, 31, 51, 11, 21,
4. 81, 71, 51, 31, 21, 11

Q.

In the set of whole numbers, the number which does not have its predecessor is ___.

Q.

Question 59
In the following question, state whether the given statement is true (T) or false (F).
Every whole number has its predecessor.

Q. The whole number immidiately succeeding 3949 is ____.

1. 3948
2. None of the above
3. 3950
4. 3947

Q.

In a number system of whole numbers, 1 has a predecessor.

1. True

2. False

Q.

Question 8(l)

Check whether the following statement is true (T) or false (F):
The whole number 0 has no predecessor.

Q.

_____ is the smallest natural number while ____ is the smallest whole number.

Q.

You are given five digits 0, 8, 3, 9 and 2. Find the greatest and the smallest five-digit numbers that can be formed by using them.

1. Greatest- 98302, Smallest-02389

2. Greatest- 98320, Smallest-02398

3. Greatest- 98320, Smallest-23809

4. Greatest- 98320, Smallest-20389

Q.

In whole numbers, 1 has a predecessor. State True or False?

1. True

2. False

Q.

Difference between the greatest and the least number of seven digits formed by using the digits $7,1,6,2,4,3,0$

1. $8,325,836$

2. $9,661,437$

3. $6,961,347$

4. $6,619,743$

Q. Match the following with their respective predecessors.

1. 10053
2. 64899
3. 64999

Q. What is the difference between the largest and smallest 4 digit numbers that could be formed with 0, 5, 6, 3, 7 without repetition?

1. 72963
2. 46953
3. 46853
4. 45963

Q. Sum of the largest two-digit number and 1 will be equal to____.

1. 101
2. 100
3. 99
4. 102

Q. Which of the following is incorrect about predecessors.

1. Predecessor of 1 lakh is 99999.
2. Predecessor of a 2 digit number is always a 2 digit number.
3. 98 is the predecessor of 99.
4. The whole number 0 has no predecessor .