Tell vs. say?

[aoy]

Test No. incompl/inter-9 "Say/Tell", question 1

I dare ......... you're right.

(a) tell
(b) told
(c) tells
(d) say

Test No. incompl/inter-9 "Say/Tell", answer 1

I dare say you're right.

Correct answer: (d) say

Your answer was: incorrect
I dare tell you're right.
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How is diferent usage between say / tell ?

[Alan]

Usually say is the actual speaking and tell is describing and giving an account.

You say the words
You tell a story
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English as a Second Language
You can read my ESL story In Order