Let the efficiency of 'Z' be 4x units/day. So, efficiency of 'Y' = 4x X (7/4) = 7x units/day And, efficiency of 'X' = 14x units/day So, total work = (14x + 4x) X 15 = '270x' units Therefore, required time = (2 X 270x) ÷ (7x + 0.5 X 4x) = (570x/9x) = 60 days
The leeward side of Sirumalai hills arean unique ecosystems that receiving optimum rain and shine.
Inside it is a (A)/confection of dark (B)/polished wood, shine brass (C)/and comfortable banquettes (D).
...If the Government refuses to introduce (A)/changes now, it will be (B)/demonstrating its contempt for (C)/democracy, public concern and animal welfare (...
Inside it is a (A)/confection of dark (B)/polished wood, shine brass (C)/and comfortable banquettes (D).
...In the sentence given below, four words have been printed in bold. One of these words may be misspelt or inappropriate in the context of the sentence. ...
The Chairman and the Managing Director Mr Prabhakar attributed the almost flat performance to higher deposit costs, slower credit off take and stressed ...
In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and select the appropriate opti...
Either my brother or his friends is lying.
She suggested that / we should start the meeting / as soon as everyone arrives / to avoid any delays.
In the sentence given below, four words have been printed in bold which are numbered (1), (2), (3) and (4). One of these words may be misspelt or inapp...
