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during tiffin of Scholl hours 1/4 part of drinking water of tank was used.another 1/3 part of water used when school get over.what part of water still left in tank |
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Answer» during tiffin of Scholl hours 1/4 part of drinking WATER of tank was USED. 1/3 part of water used (3/4) / 3 = 3/12 = 1/4 (3/4 ) - [(1x3) (3/4)] = 1/2 |
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