Advertisements
Advertisements
Question
Find A as required:
The least number 567A is divisible by 3
Advertisements
Solution
A number is divisible by 3 if the sum of its digits is divisible by 3
Sum of digits of 567A = 5 + 6 + 7 + A
= 18 + A
∴ 18 is divisible by 3
∴ A maybe 0
The number will be 5670
APPEARS IN
RELATED QUESTIONS
If 21y5 is a multiple of 9, where y is a digit, what is the value of y?
If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?
Find the remainder when 51439786 is divided by 3. Do this without performing actual division.
Which of the following statement is true?
If a number is divisible by 3, it must be divisible by 9.
Find the quotient when 94 – 49 is divided by 9
Find the dates of any month in a calendar which are divisible by both 2 and 3.
State true or false and explain your answer with reason for the following statement.
A number is divisible by 9, if it is divisible by 3
To play this game, everyone stands in a circle. One player calls out ‘one’. The next player says ‘two’ and so on. A player who has to call out 3 or a number that can be divided by 3 has to say ‘Meow’ instead of the number. One who forgets to say ‘Meow’ is out of the game. The last player left is the winner.
- Which numbers did you replace with ‘Meow’?
3, 6, 9 .........
If the sum of digits of a number is divisible by three, then the number is always divisible by ______.
Which number has a digit sum of 9 and is divisible by 3?
