Question Bank (4) - Quant Mixed Bag - Shashank Prabhu, CAT 100 Percentiler [Numbers]


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


    Number of Questions - 100
    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 6) The sum of squares of first 15 positive integers is 1240. What is the sum of squares of the next 15 positive integers (16^2 + 17^2 + ... + 30^2)
    a. 2480
    b. 3490
    c. 6785
    d. 8215
    e. 9255

    [OA: Option d]


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


    Q 8) How many natural numbers are factors of 7560 and multiples of 14?
    a) 20
    b) 22
    c) 24
    d) 28

    [OA: Option c]


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


    Q 9) Which of the following numbers is a perfect square?
    a) 64! × 65!
    b) 124! × 125!
    c) 120! × 121!
    d) 121! × 122!

    [OA: Option c]


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


    Q 10) If first 23 terms of the series 1, 11, 111, .. are added together, what digit would occupy the thousands place?
    a) 3
    b) 0
    c) 9
    d) 2

    [OA: Option d]


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


    Q14) How many positive integers 'n' can we form using the digits 3, 4, 4, 5, 6, 6, 7 if we want 'n' to exceed 6,000,000?
    Note that any repetition except for the ones mentioned explicitly in the question is not allowed.


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


    Q15) If you place 9 in the left-hand side of a five-digit number, you get a six-digit number. This six-digit number is four times the six-digit number that you get when you put 9 in right-hand side of the original five-digit number. What is the sum of the digits of the five-digit number? All the digits are distinct.
    a. 18
    b. 27
    c. 17
    d. Data insufficient


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


    Q16) The auto fare in La La Land has the following formula based upon the meter reading. The meter reading is rounded up to the next higher multiple of 4. For instance, if the meter reading is 37 paise, it is rounded up to 40 paise. The resultant is multiplied by 12. The final result is rounded up to the nearest multiple of 25 paise. If 53 paise is the meter reading, what will be the actual fare?
    a. Rs. 6.75
    b. Rs. 6.50
    c. Rs. 6.25
    d. Rs. 7.50


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


    Q40) Let D be a recurring decimal of the form D=0.a1 a2 a1 a2...., where digits a1 and a2 lie between 0 and 9. Further, at most one of them is zero. Which of the following numbers necessarily produces an integer, when multiplied by D?
    a) 18
    b) 108
    c) 198
    d) 288
    e) 158


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


    Q49) Which of the following divides 144^2 + 169^2 + 144*169?
    a. 157
    b. 144
    c. 313
    d. None of these


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


    Q53) In a certain number system, the product of 51 and 22 is 1452. The number 1231 in this number system when converted to the decimal system becomes?


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


    Q57) If a = sqrt(3) + 1, then the value of a^4 - 6a^2 + 8a is
    a. 12a - 3
    b. 12a
    c. 4a
    d. 8a - 3


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


    Q58) If the eight-digit number N = 76542a3b is divisible by 18, find the number of possible values of N.


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


    Q66) If N = 1! - 2! + 3! - 4! + 5! ... + 47! - 48! + 49! then what is the unit's place digit of N^N?


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


    Q67) Two different two digit numbers are written beside each other to form a 4 digit number such that the smaller number is to the right. The difference between these two numbers when subtracted from the 4 digit number so formed is 5481. What is the sum of the two 2 digit numbers?


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


    Q70) Given that 1/(2!17!) + 1/(3!16!) + 1/(4!15!) + 1/(5!14!) + 1/(6!13!) + 1/(7!12!) + 1/(8!11!) + 1/(9!10!) = N /(1!18!)
    Find the greatest integer that is less than N/100. (in numerical value)


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


    Q72) How many natural numbers exist which divide at least one among 28^12, 18^8 and 21^6?


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


    Q73) All the two-digit natural numbers whose unit digit is greater than their ten’s digit are selected. If all these numbers are written one after the other in a series, how many digits are there in the resulting number?


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


    Q74) The set X consists of m consecutive integers such that their sum is 2m. The set Y consists of 2m consecutive integers such that their sum is m. The difference between the largest elements of X and Y is 9. What is the value of m?
    a) 17
    b) 36
    c) 9
    d) 21


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


    Q80) How many natural numbers less than 10000 are present such that the sum of the digits of any such number is 33 and the number is divisible by 6?


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