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Total work = (LCM of 15 , 20 and 30) = 60 units Efficiency of A = 60/15 = 4 units/day Efficiency of B = 60/20 = 3 units/day Efficiency of C = 60/30 = 2 units/day ATQ 1st day work (A+B+C) = 4+3+2 = 9units 2ndday work (A+B) = 4+3 = 7 units 3rd day work (B+C) = 3+2 = 5 units Total work in 3 days = 9+7+5 = 21 units Total work in 6 days = 21 x 2 = 42 units Remaining work = 18units Now its turn of all three on 7thday (A,B and C) = 9units On 8th day (A and B) = 7 Remaining 2 units of work done by (B and C) = 2/5 days = 0.4 day Total time taken = 8.4 days
Select the most appropriate ANTONYM of the given word.
Rebellion
Select the most appropriate ANTONYM of the given word.
EMULATE
CREDITABLE
What is the synonym for the word "gregarious"?
Select the option that can be used as a one-word substitute for the given group of words.
A person who opposes war or the use of military force
Select the most appropriate ANTONYM of the bold word.
The consultant analysed the proposal carefully before he decided to jettison it.
Choose the one which best expresses the meaning of the given word .
Resurgence
Fear of people or society
Annihilate
Her performance in the play was a real feather in her cap.