Teaching WB Primary TET Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency

ଯଦି 45 ଜଣ ପୁରୁଷ 30 ଘଣ୍ଟାରେ ଗୋଟିଏ କାମ କରିପାରିବେ, ତେବେ କେତେ ଘଣ୍ଟାରେ 20 ଜଣ ପୁରୁଷ ସମାନ କାମ କରି କରିବେ? 

1
65.5 
2
52.0 
3
45.0 
4
67.5
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