Question

A number is a palindrome if it reads exactly

the same from right to left as it does from left to

right. For example, 66,818, and 2,552 are all

palindromes. If a three-digit number is chosen

at random, what is the probability that it is

a palindrome?

Answer 1

66818 isnt a palinrome

Answer 2

what the?

Answer 3

^???

Answer 4

Ahh wrong one.

Answer 5

lolwut

Answer 6

66 and 818

Answer 7

it looked like 66,818

Answer 8

it's really 66 and 818

Answer 9

so there are 900 choices from 100 to 999

Answer 10

to find a palindrome

Answer 11

but...

Answer 12

this is a PSAT ?

Answer 13

how can we solve this problem quickly?

Answer 14

101,111,121,131,141,151,161,171,181,191

Answer 15

see the pattern

Answer 16

ahh

Answer 17

9 x 10

Answer 18

90

Answer 19

991

Answer 20

?

Answer 21

I think you should find all three-digits pollindrome...
see the pattern...

Answer 22

199?

Answer 23

but I still see what you are saying

Answer 24

212

Answer 25

222

Answer 26

232

Answer 27

242

Answer 28

353

Answer 29

454

Answer 30

yeah the only # that change is the one in the middle

Answer 31

545

Answer 32

646

Answer 33

747

Answer 34

848

Answer 35

answer be 90

Answer 36

ty

Answer 37

then divide that by the #s total in between

Answer 38

there will be 90 , right?

Answer 39

right

Answer 40

ty