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last year question paper for mca
Sir, I applied for PGCET for MCA, I need previous year question papers of mca. Kindly please send this to usalma12@gmail.com mail id.. Reply With Quote |

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Re: Model Question Paper for MCA
Here I am giving you model question paper for master of computer application course offered by Andhra university in PDF file attached with it . 1. Answer the following a) Write the elements of the set P(P(P(ϕ))) where P(A) denotes the power set of the set A and ϕ denotes the empty set. b) Give an example of a relation that is reflexive and transitive but not symmetric. c) How many ways can 12 people have their birthdays in different calendar months? d) Find the number of divisors of 400. e) Write the characteristic equation of Sk – 7Sk -2 +6Sk -3 = 0. f) Write the adjacency matrix of the following digraph. g) Draw all possible binary trees with three nodes. 2. a) Check whether ((P → Q)→ R)→((P→ Q)→(P →R)) is a tautology. b) How many positive integers less than 1,000,000 have sum of their digits equal to 19? 3. a) Find the number of integer solutions to the equation x1 + x2 + x3 +x4 + x5 = 20 where x1 ≥ 3, x2 ≥ 2, x3 ≥ 4, x4 ≥ 6 and x5 ≥ 0. b) A simple code is made by permuting the letters of the alphabet of 26 letters with every letter being replaced by a distinct letter. How many different codes can be made in this way? 4. a) Find the number of ways of placing 20 similar balls into 6 numbered boxes so that the first box contains any number of balls between 1 and 5 inclusive and the other 5 boxes must contain 2 or more balls each. b) Solve an – 6an-1 + 12an -2 – 8an-3 – 0 by generating functions for n ≥ 3.
__________________ Answered By StudyChaCha Member |