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Let the total work be the LCM of 12, 15, and 20, which is 60 units. Work rate of A and B together = 60 / 12 = 5 units/day. Work rate of B and C together = 60 / 15 = 4 units/day. Work rate of A and C together = 60 / 20 = 3 units/day. Adding all three equations: (A + B) + (B + C) + (A + C) = 5 + 4 + 3 = 12 units/day. Twice the combined work rate of all three (A + B + C) = 12. Work rate of A + B + C = 12 / 2 = 6 units/day. Time taken to complete the work = Total work / Combined rate = 60 / 6 = 10 days. Correct answer: a) 10
Given below are four jumbled sentences. Pick the option that gives their correct order.
A: As I rushed to open my door, bright lights from out...
Given below are five sentences, each of which has been jumbled up in an order which makes the text incoherent. Mark the option which gives the meaningf...
A. Flying kites is an old world sport.
B. This sport involves a lot of risk.
C. So, one has to be very cautious and skilful.
D. It ...
Given below are six sentences 4 of which are jumbled. The first and the last sentence are given. Pick the option that gives the logically correct order...
Given below are four jumbled sentences. Select the option that gives their correct order.
A. On the other hand, the Saracen chief looked slight...
Blooms (A) from across India come to certain (B) the flower that tourists (C) only during celebrate (D) years, usually from mid-September to ear...
The Angler was very happy
P. with the Salmon
Q. and returned home
R. about his catch
Put the jumbled words in the correct order to form a meaningful sentence.
her / told / exercise / examination / to / regularly / the / her / phys...
In the following questions, the first and the last parts of the sentence are numbered 1 and 6. The rest of the sentence is split into four parts named,...
A. The other day we entered the city’s only Jewish cemetery.
B. But then, it should not be a surprise.
C. We were astonished to discover...
