Question
Pipe A can fill a cistern in 18 hours. Pipes A and B
together can fill it in 12 hours, while Pipes B and C together can fill it in 9 hours. In how many hours will all three pipes A, B and C together fill the cistern?Solution
ATQ, A = 1/18 A + B = 1/12 B = 1/12 – 1/18 B = (3 – 2)/36 B = 1/36 B + C = 1/9 C = 1/9 – 1/36 C = (4 – 1)/36 C = 3/36 = 1/12 A + B + C = 1/18 + 1/36 + 1/12 = (2 + 1 + 3)/36 = 6/36 = 1/6 Required time = 6 hours
Come, take a ________.
Choose the word(s) that have been correctly spelt and mark your answer accordingly.Â
Find out the wrongly spelt word.
Hound
In the following question select the answer pair that expresses a relationship most similar to that expressed in the capitalised pair.
Parsimon...
Choose the word that is nearest in meaning to the bold word:
Pernicious
The one who treats eye defects, injuries, and diseases.
Select the most appropriate synonym of the bold word in the given sentence.
The promises made by the old minister were fulfilled.
There exists rancour between the two brothers.
Choose the correct ANTONYM for the given word.
ExonerateÂ
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