What is the remainder when (1234567890123456789)24 is divided by 6561 ?
A. 7
B. 5
C. 3
D. 0
Answer : D. 0
Explanation:
The digital sum of number is (1+2+3+4+5+6+7+8+9+0+1+2+3+4+5+6+7+8+9) = 90 = (9+0) = 9 So it is divisible by 3 or 9
The given divisor 6561 = 94
So 924/94 Reminder is 0.