A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.
The mechanic uses old spare parts for the car.
A) Old spare parts were used for the car by the mechanic.
B) Old spare parts was used for the car by the mechanic.
C) Old spare parts is being used for the car by the mechanic.
D) Old spare parts are used for the car by the mechanic.
A) Old spare parts were used for the car by the mechanic.
B) Old spare parts was used for the car by the mechanic.
C) Old spare parts is being used for the car by the mechanic.
D) Old spare parts are used for the car by the mechanic.
Answer & ExplanationAnswer: D) Old spare parts are used for the car by the mechanic.
A boat is moving away from an observation tower. It makes an angle of depression of 60° with an observer's eye when at a distance of 50m from the tower. After 8 sec., the angle of depression becomes 30°. By assuming that it is running in still water, the approximate speed of the boat is