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Total work = 60 (LCM of 12, 15 and 30) P's efficiency = 60/12 = 5 Q's efficiency = 60/15 = 4 R's efficiency = 60/30 = 2 Pattern of work = PQ, PR, PQ, PR... Work done by PQ and PR in 2 days = (5 + 4) + (5 + 2) = 16 2 days => 16 units 2 × 3 = 6 days => 16 × 3 = 48 units remaining in 12 units done by PQ in = work/efficiency = 9/ (5 + 4) = 1 days Total time taken = 6 + 1 = 7 days Now remaining 3unit work done by PR = 3/5+2=3/7day 7+3/7 =52/7days.
A government in which all the powers are concentrated on the hands of officers?
The power or right to make judgments about the law, to arrest and punish criminals, etc.
In the following question , a sentence is given followed by five alternatives containing a single word. Among the five alternatives you have to find th...
Give a single word that substitutes for the following expression:
A list of items to be discussed at a meeting
Abjure
Direction: In the given question, four words are printed in bold and are numbered . Of these, the positions of two of these words may be incorrect and...
Select the most appropriate option to substitute the bold segment in the given sentence. If there is no need to substitute it, select 'No substitution'...
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No subst...
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No subst...
Select the most appropriate option to substitute the bold segment in the given sentence. If there is no need to substitute it, select 'No substitution'...
