Riddles, one at a time

Old Phone Keys: 4663

Which of the four words types 4663?

Video · Easy Challenge link
Answer

HOME

H is on 4, O on 6, M on 6, E on 3: 4663.

What comes next? 2, 6, 12, 20, 30, ?

Growing Gaps

Text · Easy Challenge link
Answer

42

The gaps grow by two each time: +4, +6, +8, +10, then +12. 30 + 12 = 42.

I am a three-digit number. My three digits are all different, and they multiply to 6. I am even, and I am less than 200. What number am I?

The Even Number

Text · Medium Challenge link
Answer

132

Different digits that multiply to 6 can only be 1, 2 and 3. Below 200 means starting with 1: 123 or 132. Only 132 is even.

Mirror Odometer: 29992

How many more km until the next mirror number?

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Answer

11 km

The next mirror number is 30003, just 11 km on.

Five Weekends

What day of the week is the 1st?

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Answer

Friday

31 days = 4 weeks + 3 days, and those 3 extra days start the month: Friday, Saturday, Sunday.

Mirror Clock: The Long Wait

How long until the clock shows the next mirror time?

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Answer

4 hours 11 minutes

16:61, 17:71, 18:81 and 19:91 are not real times. The next is 20:02, 4 h 11 min after 15:51.

Challenge link