A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.
The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?
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.
Yaman sold an item at a loss of 10%. If he had sold it for Rs.57 more, he would have made a profit of 20%. What should be the selling price of the item to make a profit of 30%?
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