CAT 2019 Question Paper Slot 1 | CAT Quants

CAT Quantitative Aptitude | CAT 2019 Question Paper

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  1. CAT 2019 Question Paper Slot 1 - Percentages

    In a class, 60% of the students are girls and the rest are boys. There are 30 more girls than boys. If 68% of the students, including 30 boys,pass an examination, the percentage of the girls who do not pass is [TITA]

    20

  2. CAT 2019 Question Paper Slot 1 - Exponents

    If (5.55)x = (0.555)y = 1000, then the value of \\frac{1}{x}) - \\frac{1}{y}) is

    1. 1
    2. \\frac{1}{3})
    3. \\frac{2}{3})
    4. 3
    Choice B
    \\frac{1}{3})

  3. CAT 2019 Question Paper Slot 1 - Coordinate Geometry

    With rectangular axes of coordinates, the number of paths from (1,1) to (8,10) via (4,6), where each step from any point (x,y) is either to (x,y+1) or to (x+1,y) is [TITA]

    3920

  4. CAT 2019 Question Paper Slot 1 - Set Theory

    A club has 256 members of whom 144 can play football, 123 can play tennis, and 132 can play cricket. Moreover, 58 members can play both football and tennis, 25 can play both cricket and tennis, while 63 can play both football and cricket. If every member can play at least one game, then the number of members who can play only tennis is

    1. 32
    2. 43
    3. 38
    4. 45
    Choice B
    43

  5. CAT 2019 Question Paper Slot 1 - Circles

    In a circle of radius 11 cm, CD is a diameter and AB is a chord of length 20.5 cm. If AB and CD intersect at a point E inside the circle and CE has length 7 cm, then the difference of the lengths of BE and AE, in cm, is

    1. 1.5
    2. 3.5
    3. 0.5
    4. 2.5
    Choice C
    0.5

  6. CAT 2019 Question Paper Slot 1 - Percentages

    Meena scores 40% in an examination and after review, even though her score is increased by 50%, she fails by 35 marks. If her post-review score is increased by 20%, she will have 7 marks more than the passing score. The percentage score needed for passing the examination is

    1. 75
    2. 80
    3. 60
    4. 70
    Choice D
    70

  7. CAT 2019 Question Paper Slot 1 - Mensuration

    Corners are cut off from an equilateral triangle T to produce a regular hexagon H. Then, the ratio of the area of H to the area of T is

    1. 5 : 6
    2. 3 : 4
    3. 2 : 3
    4. 4 : 5
    Choice C
    2 : 3

  8. CAT 2019 Question Paper Slot 1 - Coordinate Geometry

    Let T be the triangle formed by the straight line 3x + 5y - 45 = 0 and the coordinate axes. Let the circumcircle of T have radius of length L, measured in the same unit as the coordinate axes. Then, the integer closest to L is [TITA]

    9

  9. CAT 2019 Question Paper Slot 1 - Functions

    For any positive integer n, let f(n) = n(n + 1) if n is even, and f(n) = n + 3 if n is odd. If m is a positive integer such that 8f(m + 1) - f(m) = 2, then m equals [TITA]

    10

  10. CAT 2019 Question Paper Slot 1 - Progressions

    If the population of a town is p in the beginning of any year then it becomes 3+2p in the beginning of the next year. If the population in the beginning of 2019 is 1000, then the population in the beginning of 2034 will be

    1. (1003)15 + 6
    2. (977)15 - 3
    3. (1003)215 - 3
    4. (977)214 + 3
    Choice C
    (1003)215 - 3

  11. CAT 2019 Question Paper Slot 1 - Simple interest

    A person invested a total amount of Rs 15 lakh. A part of it was invested in a fixed deposit earning 6% annual interest, and the remaining amount was invested in two other deposits in the ratio 2 : 1, earning annual interest at the rates of 4% and 3%, respectively. If the total annual interest income is Rs 76000 then the amount (in Rs lakh) invested in the fixed deposit was [TITA]

    9

  12. CAT 2019 Question Paper Slot 1 - Number theory

    The product of two positive numbers is 616. If the ratio of the difference of their cubes to the cube of their difference is 157 : 3, then the sum of the two numbers is

    1. 50
    2. 85
    3. 95
    4. 58
    Choice A
    50

  13. CAT 2019 Question Paper Slot 1 - Profit & Loss

    On selling a pen at 5% loss and a book at 15% gain, Karim gains Rs. 7. If he sells the pen at 5% gain and the book at 10% gain, he gains Rs. 13. What is the cost price of the book in Rupees?

    1. 80
    2. 85
    3. 100
    4. 95
    Choice A
    80

  14. CAT 2019 Question Paper Slot 1 - Speed, time and distance

    Two cars travel the same distance starting at 10:00 am and 11:00 am, respectively, on the same day. They reach their common destination at the same point of time. If the first car travelled for at least 6 hours, then the highest possible value of the percentage by which the speed of the second car could exceed that of the first car is

    1. 20
    2. 10
    3. 35
    4. 25
    Choice A
    20

  15. CAT 2019 Question Paper Slot 1 - Work, time

    At their usual efficiency levels, A and B together finish a task in 12 days. If A had worked half as efficiently as she usually does, and B had worked thrice as efficiently as he usually does, the task would have been completed in 9 days. How many days would A take to finish the task if she works alone at her usual efficiency?

    1. 18
    2. 12
    3. 24
    4. 36
    Choice A
    18

  16. CAT 2019 Question Paper Slot 1 - Progressions

    If a1 + a2 + a3 + ... + an = 3(2n+1 - 2), then a11 equals [TITA]

    6144

  17. CAT 2019 Question Paper Slot 1 - Trigonometry

    The number of the real roots of the equation 2cos(x(x + 1)) = 2x + 2-x is

    1. 0
    2. Infinite
    3. 1
    4. 2
    Choice C
    1

  18. CAT 2019 Question Paper Slot 1 - Percentages

    The income of Amala is 20% more than that of Bimala and 20% less than that of Kamala. If Kamala's income goes down by 4% and Bimala's goes up by 10%, then the percentage by which Kamala's income would exceed Bimala's is nearest to

    1. 28
    2. 29
    3. 31
    4. 32
    Choice C
    31

  19. CAT 2019 Question Paper Slot 1 - Races

    In a race of three horses, the first beat the second by 11 metres and the third by 90 metres. If the second beat the third by 80 metres, what was the length, in metres, of the racecourse? [TITA]

    880

  20. CAT 2019 Question Paper Slot 1 - Progressions

    If a1, a2, ......... are in A.P , \\frac{1}{\sqrt{a_1} + \sqrt{a_2}}) + \\frac{1}{\sqrt{a_2} + \sqrt{a_3}}) + ......... + \\frac{1}{\sqrt{a_n} + \sqrt{a_{n+1}}}) then , is equal to

    1. \\frac{n}{\sqrt{a_1} + \sqrt{a_{n+1}}})
    2. \\frac{n - 1}{\sqrt{a_1} + \sqrt{a_n}})
    3. \\frac{n}{\sqrt{a_1} - \sqrt{a_{n+1}}})
    4. \\frac{n - 1}{\sqrt{a_1} + \sqrt{a_{n-1}}})
    Choice A
    \\frac{n}{\sqrt{a_1} + \sqrt{a_{n+1}}})

  21. CAT 2019 Question Paper Slot 1 - Geometry

    AB is a diameter of a circle of radius 5 cm. Let P and Q be two points on the circle so that the length of PB is 6 cm, and the length of AP is twice that of AQ. Then the length, in cm, of QB is nearest to

    1. 8.5
    2. 9.3
    3. 9.1
    4. 7.8
    Choice C
    9.1

  22. CAT 2019 Question Paper Slot 1 - Speed, time and distance

    One can use three different transports which move at 10, 20, and 30 kmph, respectively. To reach from A to B, Amal took each mode of transport 1/3 of his total journey time, while Bimal took each mode of transport 1/3 of the total distance. The percentage by which Bimal's travel time exceeds Amal's travel time is nearest to

    1. 22
    2. 19
    3. 21
    4. 20
    Choice A
    22

  23. CAT 2019 Question Paper Slot 1 - Ratios and proportions

    Amala, Bina, and Gouri invest money in the ratio 3 : 4 : 5 in fixed deposits having respective annual interest rates in the ratio 6 : 5 : 4. What is their total interest income (in Rs) after a year, if Bina's interest income exceeds Amala's by Rs 250?

    1. 7000
    2. 6000
    3. 6350
    4. 7250
    Choice D
    7250

  24. CAT 2019 Question Paper Slot 1 - Exponents

    If m and n are integers such that (\\sqrt{2}))19 34 42 9m 8n = 3n 16m (∜64) then m is

    1. -16
    2. -24
    3. -12
    4. -20
    Choice C
    -12

  25. CAT 2019 Question Paper Slot 1 - Mixtures

    A chemist mixes two liquids 1 and 2. One litre of liquid 1 weighs 1 kg and one litre of liquid 2 weighs 800 gm. If half litre of the mixture weighs 480 gm, then the percentage of liquid 1 in the mixture, in terms of volume, is

    1. 70
    2. 85
    3. 80
    4. 75
    Choice C
    80

  26. CAT 2019 Question Paper Slot 1 - Logarithms

    Let x and y be positive real numbers such that log5(x + y) + log5(x - y) = 3, and log2y - log2x = 1 - log23. Then xy equals

    1. 25
    2. 150
    3. 250
    4. 100
    Choice B
    150

  27. CAT 2019 Question Paper Slot 1 - Mensuration

    If the rectangular faces of a brick have their diagonals in the ratio 3 : 2 \\sqrt{3}) : \\sqrt{15}), then the ratio of the length of the shortest edge of the brick to that of its longest edge is

    1. 1 : \\sqrt{3})
    2. 2 : \\sqrt{5})
    3. \\sqrt{2}) :\\sqrt{3})
    4. \\sqrt{3}) : 2
    Choice A
    1 : \\sqrt{3})

  28. CAT 2019 Question Paper Slot 1 - Coordinate Geometry

    Let S be the set of all points (x,y) in the x-y plane such that |x| + |y| ≤ 2 and |x| ≥ 1. Then, the area, in square units, of the region represented by S equals [TITA]

    2

  29. CAT 2019 Question Paper Slot 1 - Quadratic equations

    The number of solutions of the equation |x|(6x2 + 1) = 5x2 is [TITA]

    5

  30. CAT 2019 Question Paper Slot 1 - Work, time

    Three men and eight machines can finish a job in half the time taken by three machines and eight men to finish the same job. If two machines can finish the job in 13 days, then how many men can finish the job in 13 days? [TITA]

    13

  31. CAT 2019 Question Paper Slot 1 - Quadratic equations

    The product of the distinct roots of |x2 - x - 6| = x + 2 is

    1. -4
    2. -16
    3. -8
    4. -24
    Choice B
    -16

  32. CAT 2019 Question Paper Slot 1 - Speed, time and distance

    The wheels of bicycles A and B have radii 30 cm and 40 cm, respectively. While traveling a certain distance, each wheel of A required 5000 more revolutions than each wheel of B. If bicycle B traveled this distance in 45 minutes, then its speed, in km per hour, was

    1. 18π
    2. 16π
    3. 12π
    4. 14π
    Choice B
    16π

  33. CAT 2019 Question Paper Slot 1 - Functions

    Consider a function f(x+y) = f(x) f(y) where x , y are positive integers, and f(1) = 2. If f (a+1) + f (a+2) + ..... + f(a+n) = 16 (2n - 1) then a is equal to. [TITA]

    3

  34. CAT 2019 Question Paper Slot 1 - Averages

    Ramesh and Gautam are among 22 students who write an examination. Ramesh scores 82.5. The average score of the 21 students other than Gautam is 62. The average score of all the 22 students is one more than the average score of the 21 students other than Ramesh. The score of Gautam is

    1. 51
    2. 53
    3. 49
    4. 48
    Choice A
    51

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