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Ajinkya, Ramesh and Vaibhav got first, second and third rank. But not in this sequence. After asking them they replied two answers each. Out of which one is true and other is false. But not in the same sequence. Their answers are as following. Ramesh : I got first rank. Ajinkya got second rank. Vaibhav : I got first rank. Ramesh got second rank. Ajinkya : I got first rank. Ramesh got third rank. Which is not the rank of Ajinkya?
Consider two relations R1(A, B) with the tuples (1, 5), (3, 7) and R2(A, C) = (1, 7), (4, 9). Assume that R(A, B, C) is the full natural outer join of R1 and R2. Consider the following tuples of the form (A, B, C): a = (1, 5, null), b = (1, null, 7), c = (3, null, 9), d = (4, 7, null), e = (1, 5, 7), f = (3, 7, null), g = (4, null, 9). Which one of the following statements is correct?
Five friends, H, I, J, K and L, are top rank holders of a school. The rank of H is just above the rank of K and just below the rank of L. I is at the top rank and J is not at the lowest rank. Who among them is at the lowest rank?
Consider the following assertions: I. Rank (ST) = Rank S = Rank T II. Rank (ST) = Rank S, if T is non-singular III. Rank (ST) = Rank T, if T is non-singular Where S, T : V → V are linear transformations of a finite dimensional vector space V. Which of these is/are correct?
Consider the following statements in connection with deflection-type and null-type instruments: 1. Null-type instruments are more accurate than the deflection-type ones. 2. Null-type of instrument can be highly sensitive compared to a deflection-type instrument. 3. Under dynamic conditions, null-type instruments are less preferred to deflection-type instruments. 4. Response is faster in null-type instruments as compared to deflection-type instruments. Which of the above statements are correct?
There are six persons A, B, C, D, E and F, who got different ranks in a coaching class. A got the best rank among all of them. F got the worst rank. B got a better rank than three persons. D’s rank was immediately above B. E got a better rank than C. Who got fifth rank among them?
There are six students, A, M, O, R, T, and W who got different ranks in an examination. Not more than two people got rank lower than O. Ranking of W and R is even number. Only one person got rank between T and M. Not less than three person got rank between W and R. A got 1st rank. Rank of M is not immediate next or precedes to R. What will be the rank of R?
Consider the pseudocode given below. The function DoSomething() takes as argument a pointer to the root of an arbitrary tree represented by the leftMostChild-rightSibling representation. Each node of the tree is of type treeNode. typedef struct treeNode* treeptr; struct treeNode {              treeptr leftMostChild, rightSibling; }; int DoSomething (treeptr tree) {              int value=0;              if (tree != NULL) {              if (tree->leftMostChild == NULL)              value = 1;    else               value = DoSomething(tree->leftMostChild);               value = value + DoSomething(tree->rightSibling);     }               return(value); } When the pointer to the root of a tree is passed as the argument to DoSomething, the value returned by the function corresponds to the 
The height of a tree is defined as the number of edges on the longest path in the tree. The function shown in the pseudocode below is invoked as height(root) to compute the height of a binary tree rooted at the tree pointer root. int height (treeptr n) { if (n == NULL) return -1;   if (n →  left == NULL)        if (n →  right == NULL) return 0;        else return ; \(\boxed{B1}\);     // Box 1 else { h1 = height (n →  left);          if (n → right == NULL) return (1+h1);          else { h2 = height (n → right);          return ; \(\boxed{B2}\)   // Box 2                        }            } } The appropriate expressions for the two boxes B1 and B2 are
Consider the following statements for deflection and null type instruments: 1. Deflection type of instruments are more accurate than null type of instruments. 2. Deflection type of instruments can be highly sensitive as compared with the null type of instruments. 3. Null type of instruments are more suitable for measurements under dynamic conditions than deflection type of instruments. Which of the above statements are not correct?