GATE 2024 Data Science (DA) Answer Key Solutions Unofficial (Available)

GATE Data Science (DA) Unofficial: Candidates who have appeared for GATE Data Science (DA) examination today, February 3, 2024, in morning session (9:30 AM to 12:30 PM) can check the unofficial answer key for the same on this page. The unofficial solutions of GATE Data Science (DA) will be updated here based on the questions submitted by candidates. GATE Data Science (DA) Answer Key (unofficial) provides candidates with an opportunity to evaluate their performance in the exam before official results are announced. Kindly note that unofficial answer keys are only a reference tool rather than an official assessment of performance. 

Also read | GATE DA Exam Analysis 2024 (Available)

GATE Data Science (DA) Answer Key 2024

Candidates can check out the GATE Data Science (DA) 2024 answer key here. The answer key provided is unofficial as per the questions received from the candidates.

Important Note: Candidates may check and download the memory-based question paper for the following answer key here: GATE Data Science (DA) Question Paper 2024

GATE DA 2024 General Aptitude & Maths Answers

This GA section in DA carries a weightage of 15 marks, whose solutions will be updated here:

1. Find the expected number of throws required until two consecutive throws show an even number when a dice is thrown repeatedly (Answer 6)
2. How many 4-digit numbers can be formed Among the given digits 1,3,4,6,7, (the number should be divisible by 3) (Answer 48)
3. Among 5 candidates A, B, C, D, and E find the total number of votes Band C obtained when the total number of votes on 1,15,00 where the invalid values are 5000 and the valid votes are 1,10,000 (Given b had 25% votes and C had 20 % votes) (Answer 49500)
4. When 3 coins are tossed what is the probability of getting 2 heads 1 tail intersection 2 tails one head (Answer 3/4)
5. Sum of 1/2 - 1/3 + 1/4 - 1/9 + 1/8 - 1/27 +....... infinite series (Answer 1/2)
6. Find the sum of 2+1/2+1/3+1/4+1/8+1/9+1/16+1/27.

GATE 2024 Data Science (DA) Subject-Specific Answers

The subject-specific questions carry a weightage of 85 marks, the unofficial answers of which will be updated here:

1. Match the following (Answer: 1 -> b. 2-> a.  3-> c)

   Column A		Column B
   1	FIFO	a	Stack
   2	LIFO	b	Queue
   3	Look Up	c	Hash

2. which algorithm sorts the array in exactly using 2 swap [4,3,2,1,5]? (Answer Selection Sort)
3. Which FD can be determined from the above FD set when R (U,V,W,X,Y,Z) F { U -> V, U -> W, WX -> Y, WX -> Z, V -> X } (Option a. VM -> y, b. VM -> YZ, c. VM -> U, WX -> YZ) (Answer: option a, b, d are correct)
4. minimum number of comparisons in place quick sort of 60 70 80 90 100 pivots is the last element (Answer 4 comparison)
5. Find P(T|S) IF P(T) = 0.6 P(S|T) + 0.3 P(S|T) =0.3. Consider two events where T denotes compliment of event T.  (Answer P (T/S) = 0.25)
6. MSQ construction unique tree options preorder inorder postorder (Inorder Traversal 4,2, 5, 1, 6, 3, 7) (preorder Traversal (1, 2, 4, 5, 6, 7) (postorder transversal.  Among the given options which option can help in reconstructing a tree (Option a. inorder and postorder, b. inorder and preorder, c. postorder and preorder. d. in order) (Answer Option A and B)
7. If d[u] <  d[v] in depth-first search of a graph what is the edge called (Tree Edge, back Edge or Gray Edge) (Answer Tree Edge)
8. Doubly linked list operations InsertFirst(10) InsertEnd(32) a<-RemoveEnd() InsertEnd(28) InsertEnd(17) a<-RemoveFirst a<-RemoveEnd() what is value of a? (Answer 17)

Do note that while predicting tentative scores through GATE answer keys always keep the marking scheme in mind. For a wrong answer chosen in multiple choice questions, there will be negative marking. For a 1 mark question, 1/3 mark will be deducted while for a 2 mark question, 2/3 mark will be deducted for a wrong answer. No penalty for wrong attempts to MSQ or NAT questions.

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