Question
A and B working together, can do a piece of work in
4(1/2) hours. B and C working together can do it in 3 hours. C and A working together can do it in 2(1/4) hours. All of them begin the work at the same time. Find how much time they will take to finish the piece of work?Solution
AB = 9/2 BC = 3 CA = 9/4 Efficiency of AB : BC : CA = 2 : 3 : 4 LCM (Total units) = 36 Now, 2(A + B + C) = 2 (2 + 3 + 4) = 18 To finish the work they will take = 36/18 = 2 hours
Believing that people are generally selfish and dishonest
Select the most appropriate option to substitute the highlighted segment in the given sentence. If there is no need to substitute it, select ‘No subs...
Give a single word that substitutes for the following expression:
A list of items to be discussed at a meeting
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No subst...
Choose the word that can substitute the given group of words.
A religions war
Select the option that can be used as a one-word substitute for the given group of words.
A system of government in which most of the important d...
Select the most appropriate option that can substitute the bold segment in the given sentence. If there is no need to substitute it, select ‘No subst...
Give a single word that substitutes for the following expression:
A person who believes in fate
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No subst...
She is not showing enough care and attention to finish her tasks.