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2000 · Q148Science & TechnologyLogical Reasoning & Puzzlesmoderate

A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. The shortest distance between the starting point and destination is

  1. (a)18 km
  2. (b)16 km
  3. (c)15 km
  4. (d)12 km
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Official answer(c) 15 km

2010 · Q80Science & TechnologyLogical Reasoning & Puzzlesmoderate

Half of the villagers of a certain village have their own houses. One-fifth of the villagers cultivate paddy. One-third of the villagers are literate. Four-fifth of the villagers are below twenty-five. Then, which one of the following is certainly true?

  1. (a)All the villagers who have their own houses are literate
  2. (b)Some villagers under twenty-five are literate
  3. (c)A quarter of the villagers who have their own houses cultivate paddy
  4. (d)Half of the villagers who cultivate paddy are literate
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Official answer(b) Some villagers under twenty-five are literate