One pipe can fill an empty cistern in 4 hours while another can drain the cistern when full in 10 hours. Both the pipes were turned on when the cistern was half-empty. How long will it take for the cistern to be full?
Vijendra walks to his south-east side for 10 km. From there he turns 90 degree anti-clockwise and walks 10km and then he again turns 90 degree clockwise and travels 10 km. In which direction is he from his original position?
A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence inPassive/Active Voice.