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A circular queue has been implemented using a singly linked list where each node consists of a value and a single pointer pointing to the next node. We maintain exactly two external pointers FRONT and REAR pointing to the front node and the near node of the queue, respectively. Which of the following statements is/are CORRECT for such a circular queue, so that insertion and deletion operations can be performed in O(1) time? I. Next pointer of front node points to the rear node. II. Next pointer of rear node points to the front node.
Identify the segment in the sentence which contains the grammatical error from the given options. If there is no error, mark your answer as ‘No error'. No sooner the teacher enter the classroom than the students stood up.  No sooner the teacher enter the classroom than the students stood up. 
In the following sentence, a sentence is divided into three parts find out which part of the sentence consists an error and mark your option accordingly. I opened the door and there stood Michael, all covered in mud as he  had been on a trip. A. I opened the door and there stood Michael B.  all covered in mud as C. he had been on a trip.
Four girls and four boys are sitting around a square table facing the center. Four of them are sitting at the corners and the rest are sitting at the midpoint of the sides of the square table. Suma is not sitting to the right of Rekha but is sitting in front of the Rani. Rekha is diagonally in front of Nisha, who is to the right of Reena. Jai is sitting next to Reena and in front of Abhinav who is to the left of Arun. Who sits to the immediate left of Suma?
Eight people A, B, C, D, E, F, G and H, are sitting in two rows, four in each row. 1. A is sitting in the front row, next to H. 2. F is sitting between C and B. 3. E, who is sitting in front of B, is not sitting in any corner. 4. D is sitting in the right corner of the back row. If H is sitting in a corner, who is sitting in front of F?
Six persons P, Q, R, S, T, and U are sitting equally spaced in a circle facing one another front to front. P is sitting in front of Q. Q is sitting to the right of T and left of R, P is to the left of U and right of S. Who is sitting opposite to R?
In the theatre front row, Hari was ninth from the left while Priya was eighth from the right in the front row. If Raja was thirteenth from the left and was exactly in the middle of Hari and Priya in the same row then what was the total number of people in the front row?
In a theatre front row, Hari was ninth from the left while Priya was eighth from the right in the front row. If Raja was thirteenth from the left and was exactly in the middle of Hari and Priya in the same row then what was the total number of people in the front row?
Feroze goes for a jog every morning starting from a stadium and ending at the sea front. First, he jogs 3 km straight towards West, then turns to his right and runs 6 km. Then turning to his left, he runs a distance of 5 km to reach the sea front. What is the shortest distance (shortcut) between the sea front and the stadium?
Ten students A, B, C, D, E, F, G, H, I and J are sitting in two rows facing the blackboard. There are five students in each row. E is between B and G. I is at the right corner of the front row. A is to the immediate left of B. E sits in the front row. C is at the extreme left in the second row. F is between H and D. H is to the immediate right of J. In which sequence are the five persons in the front row sitting?