Question Bank (2) - Quant Mixed Bag - Shashank Prabhu, CAT 100 Percentiler [ALG]


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Number of Questions
    Topic - Quant Mixed Bag
    Answer Key Available ? : Yes
    Source : Learningroots forum


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q 2) In a shop, cost of 3 burgers, 7 milkshake and french fries is Rs. 120. In the same shop, cost of 4 burgers, 10 milkshake and french fries is Rs. 164.5. Find the cost of 1 Burger, 1 Milkshake and french fries in the shop.
    (1) 41
    (2) 21
    (3) 31
    (4) None of these

    [OA: Option 3]


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q 3) All the pages of a book starting from page 1 are summed. One of the pages has been added twice, and the total thus obtained is 1000. Which is the page that has been added twice ?
    (1) 10
    (2) 12
    (3) 14
    (4) None of these

    [OA: Option 1]


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q32) The area within the curve |x| + |y| = 8 is
    a. 32 sq. units
    b. 64 sq. units
    c. 128 sq. units
    d. None of these


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q33) Find a and b such that (x + 1) and (x + 2) are factors of the polynomial x^3 + ax^2 - bx + 10
    a. 8 and -17
    b. 17 and -8
    c. -9 and -1
    d. None of these


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q34) If the first three numbers of an AP are 3x, 2x + 8, and 6x - 4, then what is the sum of the first 10 numbers of that series?
    (a) 200
    (b) 250
    (c) 275
    (d) 300


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q42) In an increasing AP, the product of the 5th term and the 6th term is 300. When the 9th term of this AP is divided by the 5th term, the quotient is 5 and the remainder is 4. What is the first term of the AP?
    (a) 12
    (b) -40
    (c) -16
    (d) -5


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q48) If the ratio of the roots of the equation x^2 – 2ax + b = 0 is equal to that of the roots x^2 – 2cx + d = 0, then which of the following is true?
    a. ba^2 = dc^2
    b. ca^2 = db^2
    c. da^2 = bc^2
    d. bd^2 = ac^2
    e. None of these


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q52) If a^x = b^y = c^z, b/a = c/b and a, b and c are not equal, then what is the value of 2z/(x + z)?
    a. y/x
    b. x/y
    c. x/z
    d. z/x


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q68) The terms of an arithmetic sequence add up to 715. The first term of the sequence is increased by 1,the second term is increased by 3, the third term is increased by 5, and in general, the kth term is increased by the kth odd positive integer. The terms of the new sequence add to 836. What is the sum of the first, last and middle terms of the original sequence? (in numerical value)


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q75) A real valued function f is such that f(a + b) = a + f[f(b)]. Find the value of f(9).


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q78) A sequence 192, 360, 576……. is formed by multiplying the corresponding terms of two different Arithmetic Progressions. What is the eighth term of the sequence?


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q82) There are five consecutive integers a, b, c, d and e such that a < b < c < d < e and a^2 + b^2 + c^2 = d^2 + e^2. What is the sum of all possible value(s) of b?


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q85) If x and y are natural numbers such that 0 < x < 100 and 0 < y < 100, what is the number of solutions to 3x – 2y = 5?


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q94) Find the number of ordered prime triplets (a, b, c) such that a, b and c are distinct and ab + bc + ca = 316.
    a. 0
    b. 6
    c. 10
    d. Infinitely many


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q95) Find the number of non negative integral solutions of the equation 7a + 5b + 35c = 84 such that at least one of a, b or c is zero
    a. 3
    b. 4
    c. 5
    d. 7


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Q7) If 9x + 15xy + 35y = 100, for all real x, y > 0, then find the minimum value of 3x + 5y.
    [OA: 12]


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Hint: 3x(3+5y)+7(3+5y)=121
    (3x+7)(3+5y)=121
    Apply either equal terms logic or AM>=GM


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    P(getting an electrical contract) = 2/9
    So, using basic set theory, 5/6 = 3/4 + 2/9 - P(both)
    P(both) = 5/36


  • CAT 100%iler, 5 times AIR 1, Director - Learningroots, Ex ITC, Pagalguy, TAS


    Take the capacity of tank A to be 120 units.
    Find out work done per hour by P, Q and R and then use the cumulative work to find out the total time.


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