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ATQ, Total work = 50workers × 80days = 4000worker-days Work completed = 1/4 of total work = 4000/4 = 1000 worker-days Remaining work = 4000 worker-days − 1000 worker-days = 3000 worker-days Days left =80 days − 50 days = 30 days Hence, Number of workers needed = {3000 worker-days/30 days} =100 workers Therefore Number of extra workers required: Extra workers needed = 100 workers − 50 workers = 50 workers Thus, the contractor needs to hire 50 extra workers to complete the work on time.
Four of the five among the following are similar in such a way to form a group, which one of following doesn’t belong to the group?
...Who among the following sits exactly between the one who likes Sony and Z?
Who among the following attends music class in Morning?
Statement:
Only P is Q
Only a few P are R
Conclusion:
I. All Q are P
II. No R...
A belongs to which of the following cities?
Four of the following five are alike in a certain way and thus form a group. Which is the one that does not belong to that group?
Which of the following pairs represent 4th and 9th floor?
How many persons live between V and W?
What is the position of Y from the top of the building?
How many persons live between A and the one who likes green?