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CUET
General Test
Numerical Ability
Number System (1)
If the three-digit number 80x is divisible by 9, what is the value of x?
1
9
7
4
Given, 80x is divisible by 9. Thus, the sum of digits of 80x will also be divisible by 9. 8 + 0 + x is divisible by 9 only if, x = 1 8 + 0 + 1 = 9.