railway RRB JE (CBT I + CBT II) Mock Test 2024 Industrial Engineering Production Planning and Inventory Control Line Balancing and Work Study
In a time study the observed time is 0.75 min, performance rating factor is 110% and allowances are 20% of the normal time. The standard time is
1
0.82 min
2
0.975 min
3
0.99 min
4
1.03 min