Q. Let ⊕ and ⊙ denote the Exclusive OR and Exclusive NOR operations, respectively. Which one of the following is NOT CORRECT? Ans: Option D
Let ⊕ and ⊙ denote the Exclusive OR and Exclusive NOR operations, respectively Read More »
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
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 red faces.
A six sided unbiased die with four green faces and two red faces is rolled seven times Read More »
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
In the figure below, ∠𝐷𝐸𝐶 + ∠𝐵𝐹𝐶 is equal to___________ Read More »
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
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 eligible men and 2/3rd of
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
What is the missing number in the following sequence? Read More »
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
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
