Question

1.check divisibility 726352 by 8
2.Check divisibility 61809 by 11
3.check divisibility 639210 by 5
4.check divisibility of 782 by 3​

Answer 1

Step-by-step explanation:

1) 90794

2) 5619

3) 127842

4) 260.66667

Answer 2

1) 726352 IS DIVISIBLE BY 8 AS DIVISIBILITY RULE OF 8 SAYS THAT ANY NUMBER IS DIVISIBLE BY 8 IF IT'S LAST THREE DIGITS ARE DIVISIBLE BY 8.

726352 =352 ÷8=44 . SI IT'S DIVISIBLE BY 8 .

2) 61809 IS DIVISIBLE BY 11 AS DIVISIBILITY RULE OF 11 SAYS THAT ANY NUMBER IS DIVISIBLE BY 11 OF THE SUM OF IT'S ALTERNATE PLACES AND THEN SUBTRACTING THE SUMS. IF IT'S COMES 0 OR ANY OTHER NUMBER DIVISIBLE BY 11.

61809=9+8+6-1+0=23-1=22 AND IT'S DIVISIBLE BY 11 . SO 61809 IS DIVISIBLE BY 11.

3) 639210 IS DIVISIBLE BY 5 AS IT'S LAST DIGIT IS 5.

4) 782 IS NOT DIVISIBLE BY 3 AS SUM OF ITS DIGITS IS 17 WHICH IS NOT DIVISIBLE BY 3.