Which of the following numbers is divisible by 11?
978626
Divisibility by 11 uses the alternating sum of digits (odd-position digits minus even-position digits, counted from the right).
For 978626: digits from the right are 6,2,6,8,7,9. Odd positions sum to \(6+6+7=19\); even positions sum to \(2+8+9=19\).
Since the difference \(19-19=0\) is divisible by 11, the number itself is divisible by 11.
The other three numbers give a non-zero alternating-sum difference when checked the same way.
Hence, 978626 is divisible by 11.
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Important Questions from Divisibility Rules
Find the least value of x for which 57x716 is divisible by 9.
Which of the following numbers is NOT divisible by 11?
If 321y72 is a multiple of 6, where y is a digit, what is the least value of y?
From the given numbers A, B, C and D, which number is NOT divisible by 11?
A = 712712
B = 177210
C = 64614
D = 756148
Which of the following numbers is divisible by 7 ?
