Question

64784x59is divisible by 11 find value of x​

Answer 1

A no. is divisible by 11 when the difference of the sum of digits at even place and the sum of digits at odd place is either 0 or divisible by 11.

Number = 64784x59

Sum of digits at even place = 4+8+x+9 = 21+x

Sum of digits at odd place = 6+7+4+5 = 22

Difference = 22-(21+x)

=> 0 = 22-21-x

=> x = 1

.•. minimum value of x is 1

Hope it helps you...