Question

Replace * by the smallest possible digit so that the given numbers are exactly divisible by :
i) 46 * by 2
(ii) 964 * by 3
(ii) 864 * 3 by 11 (iv) 772 * by 5
v) 6*52 by 3
(vi) 96 * 854 by 11 (vii) 9* 55 by 5
(viii) 768 * 4 by 9

step by step explain please​

Answer 1

Answer:

Sum of the digits at the odd places = 8 + missing number + 2 = missing number + 10

Sum of the digits at the even places = 6 + 7 = 13

Difference = [missing number + 10 ] – 13 = Missing number – 3

According to the rule, missing number – 3 = 0 [Because the missing number is a single digit]

Thus, missing number = 3

Hence, the smallest required number is 3.

x=3

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