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The rules for changing a sentence into passive voice is- (Object) + (auxiliary verb) + (past participle) + (by subject). Hence, the correct answer is- ‘The chocolate wrapper was thrown on the floor by someone’.
Pipe 'X' is capable of emptying a tank in 15 hours. When Pipe 'Y', which adds 2.4 liters of water per hour, is also used, it takes 25 hours to empty the...
A tank has two inlet pipes, A and B, which can fill the tank in 6 hours and 8 hours, respectively, and an outlet pipe C, which can empty the tank in 12 ...
Two pipes, A and B, can independently fill the tank in 18 minutes and 20 minutes respectively, while pipe C can empty 8 gallons from the tank in 3 minut...
Tap A and Tap B fill a drum of volume 475 liters in 19 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
Two taps A and B can fill a cistern in 12 min and 16 min respectively. If both taps are opened together and at the end of 4 min, B tap is turned off, th...
Two pipes A and B can fill a tank in 15 hours and 25 hours respectively. If both the pipes are opened simultaneously, in how much time the tank will be ...
Pipe 'A' and pipe 'B', alone can fill a tank in 20 minutes and 30 minutes, respectively. Both the pipes were opened together to fill the tank, but later...
Two pipes, A and B, can independently fill the tank in 20 minutes and 30 minutes respectively, while pipe C can empty 12 gallons from the tank in 4 min...
A tank is filled with three pipes A, B, and C. Pipe A takes 18 hr. to fill 60% of the tank and Pipe B takes 8 hr. to fill 40% of the tank. Pipe A and Pi...
Pipe A can fill the empty tank in 25 minutes while pipe B can empty the half-filled same tank in 15 minutes. What is the time require to fill (80/3) % o...
