self Maths Puzzle

how 22 horses can be tied equally in 7 sticks?

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self Other Question

I visited a interesting shop last weekend. The signboard in front of the shop read Pick 1 for $2, Pick 10 for $4, Pick 100 for $6 I needed 246 and the shopkeeper charged me $6 for it. Can you tell how the pricing policy of the shop worked ? Find a number consisting of 9 digits in which each of the digits from 1 to 9 appears only once. This number should satisfy the following requirements:
a. The number should be divisible by 9.
b. If the most right digit is removed, the remaining number should be divisible by 8.
c. If then again the most right digit is removed, the remaining number should be divisible by 7.
d. etc. until the last remaining number of one digit which should be divisible by 1.