Question
Pipe 'A' fills half tank in 18 minutes. Pipe 'B' is 5
times as efficient as A. Find percentage of tank filled by both in 6 minutes.Solution
Full tank time = 18 × 2 = 36 minutes A’s efficiency = x units/min Tank capacity = 36x units B’s efficiency = 5x units/min Work in 6 minutes = (x + 5x) × 6 = 36x units Percentage = (36x / 36x) × 100 = 100%
Find out the appropriate word.
DEMEAN
- Choose the alternative which is closest to the opposite in meaning of the bold word in the sentence.
Her placid demeanor made her a calming presenc... A) Stationary           B) Spurious           C) Authentic           D) Festive
...Select the most appropriate ANTONYM of the bold word.
She has done a commendable job in making people aware of this issue.
Person who is nervous and shy
Stultify
Select the option that can be used as a one-word substitute for the given group of words.
Words written on a tomb
Choose the correct synonym for the given word.
Chord
Two State Disaster Response Force teams were deployed (A) in the reserve after high winds fuelled (B) the blaze, while attends (C) will be made later t...