# Quant Discussion Thread Slot 1

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To discuss quant section of CAT.

Page 1 of 1 Following up from the previous post and adding from multiple sources and own memory... 1. Area of |X| + |Y|= 2 and |X|>=1 Ans 2 2. Race of A, B, C Ans 880 3. Corners of equilateral triangle cut off : Ans 2:3 4. A and B radius 30 and 40. B revolves 5000 less than A. 45 min. Speed of B: Ans 16pi 5. 15 lakh investment in fixed deposit. Ans: 9 lakhs 6. A and B can finish a work in 12 days. A in half efficiency... A alone? Ans: 18 days 7. 3 men and 8 machines. 2 machine in 13 days. Number of men: 13 8. Percent of girls failed: Ans 20% 9. Amal Bimal percentage: Ans 22 10. Cars starting 10 am and 11 am. Ans: 20 percent 11. Venn diagram: only tennis. Ans 43 12. Simple interest. Ans: 7250 13. A11 Ka value: sum of series (3*(2^(n+1)-2)) ans: 6144 14. |x|(6x^2 +1) = 5x^2. Number of solutions: 5 (0, 1/2, 1/3, -1/2, -1/3) 15. Circumradius nearest integer (0,9) and (15,0) Ans: 9 16. Some series like 1/sqrt(an) +sqrt(an-1) Ans : n/sqrt(an+1) + sqrt(a1) 17. 1 l of A in 1000g. 1 l of B is 800g. Half litre of mixture is 480g. Percentage of A is? Ans: 80 18. Circle radius 5. Ab diameter. PQ are two points. BP is 6. AP is twice AQ. what is BQ? Ans: 9.1 19. Log question. 2^something1 = 3^something2 in terms of m and n. Find m. Ans: -12? 20. Product of roots ans: -16 21. Raghu weight 82.5. average without Gautam 62 (21 students). Average without Raghu one less than average total. What is Gautam's weight? Ans:51 22. F(n) is n+3 n is odd. Ans: 10 24. A is 20% more efficient than B. Ans: 31% 25. Log question. xy = 150 26. Student pass marks. 35*7/350. Ans 70% 27. Brick diagonals by something. Answer: 1/√3 28. 2cos(x(x+1)): 1 (?) 29. Product of 2 nos 616. Ratio of cubes to cubes of difference. Ans = 50 30. 5.55^x and 0.55^y Ans : 1/x - 1/y = 1/3 31. Intersecting chords. Ans : Difference in length = 0.5 32. Moving from (a,b) to (c,d) by crossing (e,f) = ? 33. Pen and paper, profit/loss. Ans : Cost of paper = 80 34. Population in 2019 is P= 1003. Trend of 2P+3. Total population in 2034. Ans = ?

DT '18 | DT '19 | CAT '19 : 99.89 | CAT '18 : 99.46 | XAT '19 : 99.275 || CAT '17 : 99.38 || CAT '16 : 99.85
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Load more comments  ·  2 of 28 @Cirkus-lizard  ·  593 karma

It was mod x >=1 from what I remember @utkarsh1604  ·  330 karma

It was mod x, hence the answer 2 Write a comment
Write a comment... Questions from memory in no particular order: 1) Percentage marks for passing:70 2) A beats B y X m. B beats C by Y metres in a race: 880 3) Wheel speed: 16pi 4)15 Lakhs Investment break up :9? 5)Machines and men.Work and time: 13 6) If A and B can finish work in 12 days: 18? 7) Area between x+y=2 and x>1: 4? 8) No of solutions for x(6x^2 +1) = 5x^2:1? add to this list

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Load more comments  ·  2 of 45 @wtfman2345  ·  222 karma

@cirkus-lizard. yes it was .. how was your cat bro.. you were one of the better scorers in mocks iirc @Cirkus-lizard  ·  593 karma

It was ok.Maths was easy.Dilr was easy to average and english toh everyone knows.You can write volumes about some of the craxy tike consuming passages especially that english folk rock passage Write a comment
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