Ravishu Mann (Foreign Language Teacher)

List of Contributed Questions (Sorted by Newest to Oldest)

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List of Contributed Answer(s) (Sorted by Newest to Oldest)

Answer # 1 #

It's super easy to do this on an iPhone. First, make sure the SIM card with your contacts is in the phone. Then, just go into your Settings app. Scroll down a bit and tap on Contacts. You'll see an option that says 'Import SIM Contacts'. Tap that, and you're all set

Answer # 2 #

That's a good question. The HCF of any two consecutive odd numbers is always 1.

Think about it this way. Their difference is always 2. This means the only numbers that could possibly divide both of them are 1 and 2. But since the numbers are odd, 2 cannot be a factor. This leaves only 1 as their highest common factor. So for any pair, like 21 and 23, or 101 and 103, the answer is just 1.