Question
A and B together can complete a work in 12 days, and B
alone can complete it in 20 days. How many days will A take to complete the work alone?Solution
Work done by A and B in one day = 1/12. Work done by B alone in one day = 1/20. Work done by A alone in one day = 1/12 - 1/20 = (5 - 3) / 60 = 2/60 = 1/30. A will take 30 days to complete the work alone. Correct Option: c
In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option...
Read the sentence to find out whether there is an error in it. The error, if any, will be in one part of the sentence. The letter corresponding to that ...
The lemons in our neighbor’s garden hanged invitingly, and they took me back to those lazy summer afternoons where we would squander them away in pit...
- Find out the error according to the grammar and context of the given sentences. If there is no error, mark option 5, i.e. No error. (Ignore the punctuation...
1) The search for security, peace and happiness is inherent in all beings, but sadly it remains a futile one for many.
2) It is this remarkable ...
Prior for COP26, (A)/ prominent leaders of the European Union (B)/made multiple trips at several countries, (C)/include India, to coax them (D)/to sign ...
The soldiers, who had (A)/so lately been employed in (B)/interring their victims, were now (C)/called at to bury their own dead (D).
You should avoid (A)/to look into these matters as (B)/they are complicated and could be (C)/handled only by a professional (D).
The teacher, as well as the students have gone on an excursion to Ooty during their summer vacation’
Hardworking individuals are(A)/ more likely to achieve his goals (B)/ and succeed in their endeavours than those(C)/ who rely solely on talent or luck.(D)
Relevant for Exams:
