Question

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Answer 1

Answer:

63

Step-by-step explanation:

63 ends with odd number and it is divisible by 9 so,

ans=63

Answer 2

There are 4 digits, which ca be used.

No. of odd numbers are two i.e 3&5 There is no number which is divisible by 9. Also we know that,

odd numbers end with odd digits.

Now total number that can be made by these 4 digits = 4 x 3 = 12 6

(a) probability of a odd number = 3×2/12=6/12

1

= 2

(b) Now,

Since sum of 3,5,6,8 is not divisible by 9, .. the probability in that case will be Zero.

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