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In an examination, 34% students failed in english, 44% failed in hindi, while 22% failed in both. if the total number of passed students is 660, how many students did appear for the examination? |
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Answer» LET total student = 100% Failed in english = 34% Failed in hindi = 44% Failed in Both = 22% Total failed = {( 34+44) - 22} = 78-22= 56% if 56% GOT failed then PASSED = 44% because total 100%. total passed = 660 means 44% = 660 then 100% = (660/44)×100 = 15×100 = 1500 total student = 1500. |
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