Properties of Natural Numbers and Whole Numbers

Write three whole number just preceding $641000$.

Replace * by the correct digit,

$753-*7*4*8$

Write the predecessor of $1$ crore.

$(625÷25)÷25=$ _____

The immediate predecessor of the smallest $3$-digit number is _____ digit number. Write the answer in words.

The immediate successor of the smallest $3$-digit number is a _____

The successor of a greatest $2$-digit number is always a _____ digit number. Write the answer in words.

What is the smallest natural number? Write the answer in numeral.

What is the smallest whole number? (Mention the answer in figures)

Write the immediate successor and predecessor of the following numbers.

$17900$

Write the immediate successor and predecessor of the following numbers.

$24780$

Write the immediate successor and predecessor of the following numbers.

$78989$

Write the immediate successor and predecessor of the following numbers.

$12345$

Write the predecessor of $100020197$.

Write the predecessor of $4855389$

Write the predecessor of

$700187$

Write the predecessor of

$789678$

Write the successor of $1000109$.

Write the successor of

$9008765$

Write the successor of

$5230934$.