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Let the speed of boat B in still water be x km/hr. Therefore, the speed of boat A in still water =0.75x km/hr. According to the question, 0.75x + x = 70 Or, 1.75x = 70 Or x = 40 Therefore, the speed of boat B in still water = x =40 km/hr. Speed of boat A in still water = 0.75x = .75×40=30km/hr. Let the speed of the current be ‘y’ km/hr. Downstream speed of boat B = (40 + y) km/hr. Upstream speed of boat A = (30 – y) km/hr. 0.12(40 + y) = 30 – y Or, 4.8 + 0.12y = 30 – y Or, 0.12y + y = 30 – 4.8 1.12y =25.2 y=25.2/1.12=22.5 therefore, speed of the current =22.5km/hr.
Select the most appropriate option to fill in the blank.
The company management wants to ______________ restrictions at the workplace.
The sound track gives us the ____________ before the visual cue; it is as if the thunder arrives before the lightning.
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In the following question, two statements are given with a part missing. From the options, choose the word that can fit in the sentences to make it gra...
Bengaluru Rural police have _____________ a recent robbery on the outskirts of the city
Select the most appropriate option to fill in the blank.
The reward was not commensurate_____________the work done by us.
Fill in the blank with the most appropriate word.
I ______ an unopened letter lying on the mantelpiece.
Little or no ___________ water is to be found, and only after a thundershower are the pools filled.
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