Question

number 2Z35 is divisible by 9 if Z​

Answer 1

Answer:

z = 8 eight            

easy                                  

Answer 2

The value of Z = 8

Given :

The number 2Z35 is divisible by 9

To find :

The value of Z

Concept :

Divisibility rule of 9 :

If the sum of the digits of a number is divisible by 9 , then the number is divisible by 9

Solution :

Step 1 of 3 :

Write down the given number

Here the given number is 2Z35

Step 2 of 3 :

Find sum of the digits

The sum of the digits

= 2 + Z + 3 + 5

= Z + 10

Step 3 of 3 :

Find the value of Z

We know that if the sum of the digits of a number is divisible by 9, then the number is divisible by 9

The number 2Z35 is divisible by 9

⇒ Z + 10 is divisible by 9

Since Z is a digit

∴ Z = 8

Hence the required value of Z = 8

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