Solved UPSC CDS/OTA Question
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Q · Mensuration Medium · 45s
A field is 125 m long and 15 m wide. A tank 10m × 7.5 m × 6m was dug in it and the Earth, thus dug out, was spread equally on the remaining field(d) The level of the field thus raised is equal to which one of the following?
TopicMensuration
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Final Answer: Option D — 30 cm