Question

Odd number between 60 and 90

Answer 1

Answer:

61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89.

So 15 odd numbers are there between 60 and 90.

Answer 2

Answer:

We know that all even numbers between $60$ and $90$ are not prime. The odd numbers between $60$ and $90$ are $61,63,65,67,69,71,73,75,77,79,81,83,85,87,89$. Now we will eliminate the multiples of $3$.

Explanation:

Thanks