railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency

ଏ ଗୋଟିଏ କାମ କୁ 15 ଦିନ ରେ ଏବଂ B ଗୋଟିଏ କାମ କୁ 20 ଦିନ ରେ କରନ୍ତି। ଯଦି ସେମାନେ ମିଶି 4 ଦିନ କାମ କରନ୍ତି ,ତେବେ କାମ ର କେତେ ଭାଗ ବଞ୍ଚିଯିବ ।

1
\(\frac{1}{4}\)
2
\(\frac{1}{10}\)
3
\(\frac{7}{15}\)
4
\(\frac{8}{15}\)
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