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What per cent is : (i) 30 out of 600 ?...

What per cent is :
(i) 30 out of 600 ?
(ii) 25 out of 160 ?
(iii) 75 out of 225 ?
(iv) 36 kg of 150 kg ?
(v) 90 cm of 4.5 metre.
(vi) 60 litres of 40 litres.
(vii) 800 shirts out of 1200 shirts ?
(viii) 875 m of 2 km?

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