Evaluate the following sums.
1. Out of 600 oranges, 35% are rotten. Find the number of good oranges.
2. In an examination, 30% of candidates failed in English, 35% in Mathematics, and 27% in both subjects (English and Mathematics). Find:
(i) Total % of candidates failed.
(ii) Total % of candidates passed.
3. 35% of a certain number is 252. Find the number. Also, find its 25%.
[Please do answer it correctly. If you don't know the answer, no problem. But, don't give answers like "I don't know" or "Mark me the brainliest" (without answering the question. You'll be reported.) I'll mark you as the brainliest if you answer it correctly. TIA, if you've answered it correctly.]
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Step-by-step explanation:
1. Percentage of good oranges = 100 -35 => 65%
No. of good oranges = 65/100 * 600 => 390
3. let the unknown number be x
35/100 * x = 252
x = 252*100/35
x = 720
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