How many words can be formed using the letters of the word "spider" such that the word "ride" is present?
Clarifications:
No repetition allowed.
"Ride" is in that order only.
Use any number of letters not all the letters
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.