osculator in A Sentence

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    Note:(i) What is the Osculator for 7?

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    Negative Osculator for 21 is 2(taken from 2×10 = 20).

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    Negative Osculator means number needs one less to be multiple of 10.

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    Similarly, negative Osculator for 51 is 5(taken from 5×10 = 50).

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    Negative Osculator means the number should be reduced by one to be a multiple of 10.

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    (3) Can you get any Osculator for an even number or a number ending with‘5'?

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