RRB Assistant Loco Pilot (ALP) 2014 · Question 139 of 145
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10 people can build a wall in 8 days. 80 people can build a wall in 1 day. 160 people can build a wall in half day.
Source: Cracku — RRB ALP 2014 question paper questions based on memory and pattern (publisher answer key) · memory-based
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