What percentage of numbers from 1 to 70 has 1or 9 in their number digit

20% of number 1 to 70 has one or nine in it

Explanation:

20% numbers from 1 to 70 have 1 or 9 in the unit's digit. 1,9,11,19,21,29,31,39,41,49,51,59,61,69 this is that series of numbers .These are total 14 numbers out of 70 so 14/70×100 gives us 20 % occurrence of 1 or 9 at unit place.

italy:

classic, nostalgic, romantic and beautiful. no place better than italy or sicily.

the rub-al-khali is also known as the arabian desert and the "empty quarter"