Difference between pay cash and pay in cash

[seamus]

Test No. incompl/advan-12 "Money", question 2

I prefer to deal in ......... cash rather than cheques.

(a) solid
(b) hard
(c) real
(d) actual

Test No. incompl/advan-12 "Money", answer 2

I prefer to deal in hard cash rather than cheques.

Correct answer: (b) hard
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'pay cash' or 'pay in cash' ?? which is correct?

[Alan]

Pay cash/pay in cash - both are all right. Probably pay cash is more generally used.
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English as a Second Language
You can read my ESL story Saying It Twice

[xuan]

[Alan]

Hi xuan,

I think hard cash is my choice. Solid cash is new to me!

Alan
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English as a Foreign Language
You can read my EFL story A day in the life of a driving instructor