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Let the total capacity of the tank be 60 units Efficiency of pipe ‘A’ = 60/12 = 5 units/hour Efficiency of pipe ‘B’ = 60/15 = 4 units/hour Efficiency of pipe ‘C’ = 60/20 = 3 units/hour Tank filled by pipe ‘A’ and pipe ‘C’ in 25 hours = 25 × (5 – 3) = 50 units Time taken by pipe ‘B’ to fill the remaining tank = (60 – 50)/4 = 2.5 hours Therefore, total time taken to fill the tank = 25 + 2.5 = 27.5 hours Hence, option a.
Devices and objects with built-in sensors are connected to an Internet of Things (IoT) platform, which ________ data from the different devices and ap...
Next he saw the pseudo-teacher seat himself on a log and ________ lost in thought with his red cheeks resting ______ his fists. The woman flung down __...
The deal _____________ signed while hundreds of police armed with truncheons and riot equipment remained on standby outside the hotel.
If they were nervous, it was pretty tough to tell, they had such a friendly, ___________ way about them.
The dark clouds indicate a dust storm ________ outside.
Choose the correct form of the verb to go with the subject.
On the day of the departure, every one of the boat's crew _________ down with fever.
In the following questions, each sentence has two blanks. Choose the appropriate set of words for the blanks that best fits in the context of the sente...
The _________ abused its power by overregulating price.
Fill in the blank with the most appropriate word from the given options.
The government was ……………… and failed to control the situatio...
In each of the questions below, a sentence is given with two blanks, indicating that some parts are missing. Identify the correct pair of words that fit...
