Q. Let ⊕ and ⊙ denote the Exclusive OR and Exclusive NOR operations, respectively. Which one of the following is NOT CORRECT? Ans: Option D

Q. A queue is implemented using a non-circular singly linked list. The queue has a head pointer and a tail pointer, as shown in the figure. Let n denote the number of nodes in the queue. Let enqueue be implemented by inserting a new node at the head, and dequeue be implemented by deletion of a ...

Q. Which one of the following is a closed form expression for the generating function of the sequence {an}, where an = 2n + 3 for all n = 0, 1, 2,… ? Ans: Option D

Q. A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment? (A) Three green faces and four red faces. (B) Four green faces and three red faces. (C) Five green faces and two ...

Q. In the figure below, ∠𝐷𝐸𝐶 + ∠𝐵𝐹𝐶 is equal to___________      (A) ∠𝐵𝐶𝐷 − ∠𝐵𝐴𝐷(B) ∠𝐵𝐴𝐷 + ∠𝐵𝐶𝐹(C) ∠𝐵𝐴𝐷 +  ∠𝐵𝐶𝐷(D) ∠𝐶𝐵𝐴 + ∠𝐴𝐷𝐶 Ans: ∠BCD − ∠BAD

Q. In a party, 60% of the invited guests are male and 40% are female. If 80% of the invited guests attended the party and if all the invited female guests attended, what would be the ratio of males to females among the attendees in the party? (A) 2:3(B) 1:1(C) 3:2(D) 2:1 Ans: 1:1

Q. In appreciation of the social improvements completed in a town, a wealthy philanthropist decided to gift Rs 750 to each male senior citizen in the town and Rs 1000 to each female senior citizen. Altogether, there were 300 senior citizens eligible for this gift. However, only 8/9th of the ...

Q. What is the missing number in the following sequence? 2, 12, 60, 240, 720, 1440,________,0 (A) 2880(B) 1440(C) 720(D) 0 Ans: 1440

Q. What would be the smallest natural number which when divided either by 20 or by 42 or by 76 leaves a remainder of 7 in each case? (A) 3047(B) 6047(C) 7987(D) 63847 Ans: 7987 Sol: Number is divided either by 20 or by 42 or by 76 = K × LCM (20, 42, 76) + constant difference = ...

Q. The area of a square is 𝑑. What is the area of the circle which has the diagonal of the square as its diameter? Ans: Option D