Hard simple riddles for kids

logicmathsimpleclean

I know a number which when multiplied by multiple of 9 i.e 9 18 27 36 45 ... The output consist of number containing only one digit. Can you identify the number?
12345679 12345679 × 9 = 111111111 (only 1s) 12345679 × 18 = 222222222 (only 2s) 12345679 × 27 = 333333333 (only 3s) 12345679 × 36 = 444444444 (only 4s) 12345679 × 45 = 555555555 (only 5s)
71.29 %
58 votes
simplelogictricky

What was the biggest island in the world before the discovery of Greenland by viking Erik the Red?
Greenland was always the biggest island in the world, even before it was discovered.
64.59 %
66 votes
cleanwhat am Isimplepoems

I am a home of knowledge, both banal and profound. In grand halls and small homes I can be found. I am a home for things of many leaves, but my many residents are not living trees. What am I?
Bookshelf
64.45 %
154 votes