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How was GATE 2021 AR? Short Polls:
Was GATE AR 2021 difficult than the GATE AR 2020?
- Yes (69%, 318 Votes)
- No (31%, 144 Votes)
Total Voters: 462
Loading ...What do you think the expected cut-off would be?
- 33 to 35 (61%, 300 Votes)
- 36 to 40 (22%, 109 Votes)
- 41 to 45 (17%, 83 Votes)
Total Voters: 492
Loading ... Loading ...Question & Answer GATE 2021
Aptitude Section
Q1.
Solution: Required probability = P(both are even) = P(first is even) * P(second is even) = (3/6)*(3/6) = (1/2)*(1/2)
= 1/4 Answer
Q2.
Solution:
The hatched region is called Secant of a circle. Area of secant = 1/4(Area of circle) – Area of triangle shown
= 1/4 (π r2) – 1/2 (base*height) = 1/4 (π r2) – 1/2 (r*r) = 1/4 (π r2) – 1/2 (r2) = 1/2(π/2 – 1) [r = 1 given]There are two such Secants, So, area of dotted region surrounded by Secants shown in the question = 2*1/2(π/2 – 1)
= π/2 – 1
Area of square = r*r = 1*1 = 1
Therefore, Required probability = Area surrounded by Secants / Area of square = (π/2 – 1) / 1 = π/2 – 1 Answer
Q3.
Answer: (1)
Q4.
Q5.
Q6.
Answer: (3)
Q7.
Q8.
Q9.
Q10.
Answer: (4)
Architecture & Planning Section
Q11.
Answer: (1)
Q12.
Answer: (3)
Q13.
Answer: (3)
Q14.
Answer: (4)
Q15.
Answer: (1)
Q16.
Answer: (3) Invoke = Apply or implement, Revoke = cancel
Q17.
Q18.
Answer: (2)
Q19.
Answer: (4)
Q20.
Q21. (MSQ Type)
Q22.
Q23.
Q24.
Q25.
Q26.
Q27.
Q28.
Q29.
Answer: (2)
Q30. (MSQ Type)
Q31.
Q32.
Q33.
Q34.
Q35.
Q36.
Q37.
Q38.
Answer: (1)
Q39.
Answer: (4)
Q40.
Q41.
Q42.
Q43.
Q44.
Q45.
Q46.
Q47.
Q48.
Q49. (MSQ Type)
Q50.
Q51.
Q52.
Q53.
Q54.
Q55.
Q56.
Solution: Bending Stress = My/I
Where,
M = Bending Moment
I = Moment of Inertia (I = bd3/12 for a rectangular beam section of area bd)
y = Distance from neutral axis ( y = d/2 of depth d)
Q57. (MSQ Type)
Answer: (2) & (3)
Q58.
Answer: (4)
Q59.
Answer: (1)
Q60.
Q61.
Q62.
Answer: (4)
Q63.
Answer: (2)
Q64.
Answer: (2)
Q65. (MSQ Type)
This page is created on 6th February 2021.
I scored 64.33, what rank should i expect? any idea?
Whats the score now
70.0
Hii
NO. OF TILES USED?
IT SHOULD BE 80 (ANY ANSWER PLEASE)
That ans will be 98.
Total no of tiles coming as 104
Flush door contain 6 tiles area.
So (104-6) =98 is the ans
Is the answer key released all okay? Did anybody find any errors in the answers?
I think column slenderness ration is 20 not 40
No that is right I think…radius of gyration is d/4….
Steel stress is 150 not 1.5
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