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Question

# Which of the following are rational numbers?(i) 5−8(ii) −611(iii) 715(iv) −8−12(v) 6(vi) −3(vii) 0(viii) 01(ix) 10(x) 00

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Solution

## A rational number is in the form of PQ, where P and Q are integers and Q≠0i) 5−8 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0. ii) −611 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0.iii) 715 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0. iv) −8−12 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0. v) 6=61 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0.vi) −3=−31 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0. vii) 0=01 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0.viii) 01 is a rational number because it is in the form of PQ, where P and Q are integers and Q≠0. ix) 10 here, Q=0, so, it is not a rational number.x) 00 is not a rational number because, here, Q=0.

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