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Study the given information carefully and answer the question given below: Shikhar walked 18 km towards east, took right turn and walked 20 km. He then took a left turn and walked 25 km. Then, he took a left turn walked 20 km. Then, he took a right turn and walked 10 km. then, he took a left turn and walked 24  km. Finally he took a left turn and walked 35 km. How far was he from the starting point?
Consider the following two-process synchronization solution. Process 0 - - - - - - - - Entry: loop while (turn == 1);  (critical section) Exit: turn = 1; Process 1 - - - - - - - - Entry: loop while (turn == 0);  (critical section) Exit: turn = 0;   The shared variable turn is initialized to zero. Which one of the following is TRUE?
Consider the following statements: 1. In a silicon controlled rectifier (SCR), if the cathode gate is reverse-biased, then the SCR cannot fire at all. 2. The turn-on time of an SCR increases with temperature. 3. After an SCR is turned on, it can be made to turn off again by reverse biasing the gate. 4. Gate recovery time is the minimum time that the anode voltage must be maintained below holding voltage VH to turn off the SCR. Which of these statements are correct?
Last year, there were three sections in a competitive exam. Out of them 33 students cleared the cut-off in Section A, 34 students cleared the cut-off in Section B and 32 students cleared the cut-off in Section C. 10 students cleared the cut-off in section A and section B, 9 cleared the cut-off in section B and section C and 8 cleared the cut-off in section A and section C. The number of students who cleared only one section was equal and was 21 for each section. How many students cleared all the three sections?
Dr. Mruhula walks 24 m east from point A and reaches point B in Apollo hospital. From point B she takes left turn and walks 8 m and then she takes right turn and walked 12 m and again she takes right turn and walks 14 m and again takes right turn and reaches point M. If it is given that the starting point is in north from point where she ends her journey. Then what is the distance between the point A and M.
Raj and Amit start walking from the same place to reach the same mall but they choose different paths. Raj walks 6 m towards west and takes right turn and walks another 5 m. He then takes left turn and walks 4 m and at last he takes right turn and walks 3 m and reached the mall. Amit takes a left turn after walking 2 m in east and walks 8 m. After 8 m he turns left and walks straight and reaches the mall. What is the difference between the distances covered by them?
A man goes 12 km east from point A and reaches point B. From point B he takes left turn and walks 4 km and then he takes a right turn and walked 6 km and again he takes right turn and walks 7 km and again takes right turn and reaches point M. If it is given that point B is in the north from point M, then what is the distance between B and M?   
Mr Z is standing facing east. He takes a left turn and walks 5 km to reach point A. Then he takes a left turn and walks 4 km to reach point B. Then he takes a right turn and walks 3 km to reach point C. Finally, he takes a right turn and walks 10 km to reach point D. Which side is Mr Z facing at point B?
A boatman wants to cross a river which distance is 80 km. In the starting boatman goes to 20 km and then turn 90 degree anti-clock wise and goes 60 km in upstream after that he turn 90 degree clock wise and goes 40 km. After that he turn 90 degree clock wise and goes 60 km. In the end he turn 90 degree anti-clock wise and goes 20 km and reach his destination. The speed of boatman is 22 km/hr and speed of stream is 4 km/hr. Find the time to cover total distance?
Iam facing south. I turn right and walk 20 m. Then I turn right again and walk 10m. Then I turn left and walk 10m and then turning right walk 20m. Then I turn right again and walk 60m. In which direction am I from the starting point?