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A, B, C And D Go For A Picnic. When A Stands On A Weighing Machine, B Also Climbs On, And The Weight Shown Was 132 Kg. When B Stands, C Also Climbs On, And The Machine Shows 130 Kg. Similarly The Weight Of C And D Is Found As 102 Kg And That Of B And D Is 116 Kg. What Is D's Weight? |
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Answer» A+B=132 B+C=130 C+D=102 B+D=116 A+2B+C=262 B+C+2D=218 A+B-2D=44 132-2D=44 D=44. A+B=132 B+C=130 C+D=102 B+D=116 A+2B+C=262 B+C+2D=218 A+B-2D=44 132-2D=44 D=44. |
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