Let the total work = 12 units Efficiency of horse who can complete the work in 6 hours = 12/6 = 2 units/hour Efficiency of horse who can complete the work in 12 hours = 12/12 = 1 units/hour Therefore, time taken by both horses to complete the work together = 12/(2 + 1) = 4 hours Therefore, time taken by the elephant to complete the work = 4 hours
Select the most appropriate ANTONYM of the given word.
Gallant
You can ____________ interest rates on post office schemes to be ___________ in the next one year, if the rate upcycle continues.
Select the most appropriate meaning of the given idiom.
Dead heat
Select the most appropriate option to substitute the highlightedsegment in the given sentence. If there is no need to substitute it, select 'No substitu...
Select the most appropriate synonym of the given word.
DISTINCT
Select the most appropriate antonym of the given word.
MANIFEST
Any prolonged (A) / impersonating (B) attempt to isolate the country would not only have economic consequences but also complicate the fight against t...
Select the most appropriate ANTONYM of the given word.
EMULATE
Ending a civil war-like conflict is more difficult to end than a conventional war, as it leaves many fostering [A]/ festering [B] wounds that prevent ...
Select the most appropriate word for the given group of words.
fear of heights