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How to solve it. It is very confusing I just want a video lecture

How to solve it. It is very confusing
I just want a video lecture
 

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Grade:6

1 Answers

Vikas TU
14149 Points
3 years ago
Dear student 
For this you need to know about the divisiblity Rule , 
Like in 1st queation 
78_964 is divisible by 9 
So, a no is divisible by 9 when the sum of all no is divisible by 9 
let blank no be x 
7+8+x+9+6+4 = 34 +x 
so if x = 2 
then 34+ 2 = 36 which is divisible by 9 
So, in first question blank must be 2. 
Likewise you need to analyse the blank no, according to divisiblity Rule. 
 

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