# Quant Discussion Thread Slot 1

3 Posts  ·  33 Users

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 @Cirkus-lizard  ·  593 karma

It was mod x >=1 from what I remember @utkarsh1604  ·  327 karma

It was mod x, hence the answer 2 Write a comment
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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   