Question
A and B together can complete a task in 12 days. B alone
can complete it in 20 days. How long will it take A to complete the task if he works alone?Solution
Let the total work be 1 unit of task. Work rate of A and B together = 1/12 units per day Work rate of B alone = 1/20 units per day Work rate of A alone = 1/12 − 1/20 = (5 − 3) / 60 = 2/60 = 1/30 units per day Therefore, A alone will complete the task in 30 days. Correct answer: a) 30 days
Matters came to a head in Kerala on the eve of the budget session of the Assembly when the Governor refused to give his assent with the government’s ...
. Every men is the architect of his own fortune.
        II. If you chase two rabbits, you will not catch neither one.
...If that ruler is (A)/truly virtual, wise and far-seeing, (B)/then that nation is (C)/truly a happy land (D).
I think (A) / the news (B) / might true (C) / No Error (D)
We have sufficient/ food and clothing/ about the flood victims/ in Kerala.
As the telegraph triggered the (A)/ development of newly technologies, communication (B)/ became progressively footloose, (C)/ liberated from the cons...
In the following questions each sentence is divided into four parts. Read each sentence to find out if there is any error in it. The error, if any, wil...
The sentence below has been divided into three parts. Select the part of the sentence that has an error. If the sentence has no error, select the option...
Behind the remain of the inside walls are the cloisters and dormitories, where weary monks lay their heads after a hard day at work and prayer.
The widely publicized manifesto (a) / of the new party (b) / is not much different than ours. (c) / No Error (d)Â
