Question

How many natural numbers are there less than 2020, and co-primo to both 2 and 5?
Options
1414
606
808
1818​

Answer 1

Answer:

1414

Step-by-step explanation:

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Answer 2

Answer:

Using the concept of bond polarity and solubility, explain why water (H2O) and

vinegar are miscible, but vinegar and oil are immiscible.