The volume of a rectangular solid is to be increased by 50% without altering its base. To what extent the height of the solid must be changed. January 27, 2020 by mcq A) 50% B) 40% C) 30% D) 20% View AnswerOption – A. More QuestionsWhich of the following are involved directly in pulmonary circulation?A Tank is normally filled in 9 hours but takes four hours longer to fill because of a leak in its bottom. If the tank is full, the leak will empty it in ?Who has become the first Indian to be nominated as a member of the ITTF Umpires and Referees Committee (URC) ?Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A) : Pluto is the coldest planet Reason (R) : It receives slanting rays of- the sun.Heavy water isAir contains water in a gaseous form calledWhich is not causative factor of earthquakeIf 2cosAsinB = x, then the value of x is?Select the antonym of virtuousWhich among the following is used in making liquors, medicines and as a fuel in aircrafts?