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Doctors Medicines MCQs Q&A

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Five theatres PVR, DT, Chanakya, Regal and Maratha Mandir screen two out of ten films based on Romance, Thriller, Horror, Adventure, Children, Drama, Documentary, History, Religion and Cartoon. Each theatre exhibits only two films and allots two different slots for them, wherein slot I is before slot II. Chanakya screens a Horror film in the first slot, while Maratha Mandir exhibits a Historical film in the second slot. DT exhibits a thriller film in the second slot and Regal exhibits a documentary film. Drama must be exhibited only in the second slot. The children’s film and the Cartoon film are exhibited in the same theatre while the religious film is not in the first slot. If Chanakya screens a Religious film in its second slot, then which of the films can be screened by theatre Regal?
State whether the following statement is true or false regarding the working principles. “In ECM, grain boundary attacks remove the grains through electrolytic forces.”
State whether the following statement is true or false regarding the limitations of ECM. “In ECM, cleaning and oiling of work piece need not be done after machining.”
State whether the following statement is true or false regarding the environmental impacts of ECM. “In ECM, accumulation of toxic compounds is due to nitrate reduction at tool cathode.”
A 60% spirit solution is mixed with r% spirit solution in the ratio 1 : 3 such that a s% spirit solution is obtained. When a (s/3)% spirit solution is mixed with 55% spirit solution in equal ratio, an (r/2)% spirit solution is obtained. Which of the following can be determined? (A) Value of ‘r’ (B) Value of ‘s’ (C) Volume of the 60% spirit solution mixed initially (D) If 9 liters of r% spirit solution was mixed initially, what was the volume of the s% spirit solution thus obtained?
State whether the following statement is true or false about electrolyte in ECM. “Machinability in ECM is enhanced, when electrolyte is heated.”
Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follows. Statement: I. All film stars are playback singers. II. All film directors are film stars. Conclusions: I. All film directors are playback singers. II. Some film stars are film directors.
A chemical solution appears green when the salt concentration is 8 grams per litre (gpl) and red when it is 10 gpl. Pure water was added to the solution of 1 litre of 15 gpl solution till it turned green. Then 125 ml of the green solution is taken out and x grams of salt is added to the green solution to make it red. Another 500 ml of the final solution was taken out and y litres of green solution is added to get a resultant solution of concentration 9.6 gpl.  Assume adding salt doesn’t change its volume and find the ratio of x and y. 
The following question has two premises and two conclusions. If the premises re assumed to be true (irrespective of factuality), then, in respect of each of the items given below, which of the following conclusions follow logically? Premises: All film stars are playback singers. All film directors are film stars. Conclusion: I. All film directors are playback singers. II. Some film stars are film directors.
Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follow. Statements: I. All film stars are playback singers II. All film directors are film stars. Conclusions: I. All film directors are playback singers II. Some film star are film directors