8. Eighteen integers are multiplied together. What will be the sign of their product, if :
(1) 15 of them are negative and 3 are positive ?
(i) 12 of them are negative and 6 are positive ?
(ii) 9 of them are positive and the remaining are negative ?
(iv) all are negative ?
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Answer:
i)Negative
ii)Positive
iii)Negative
iv)Positive
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