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Sample Question Paper Quantitative 02

1. Six technicians working at the same rate completely work of one server in 10H. If they start at 11:00 AM and one additional technician per hour being added beginning at 05:00 PM , at what time the server will be completed ?
(a) 6:40 PM (b) 7 PM (c) 7:20 PM (d) 08: 00 PM
2. There are 6 tasks and 6 persons. Task 1 cannot be assigned either to person 1 or to person 2 ; task 2 must be assigned to either person 3 or person 4. Every person is to be assigned one task. In how many ways can the assignment be done ?
(a) 144 (b) 180 (c) 192 (d) 360
3. On a straight road XY, 100 m long, five heavy stones are placed two meters apart beginning at the end X. A worker, starting at X, has to transport all the stones to Y, by carrying only one stone at a time. The minimum distance he has to travel (in metres) is
(a) 472 (b) 422 (c) 744 (d) 844
4. A group of 630 children is arranged in rows for a group photograph session. Each row contains three fewer children than the row in front of it. What number of rows is not possible ?
(a) 3 (b) 4 (c) 5 (d) 6
5. A Survey of 200 people in a community who watched at least one of the three channels- BBC, CNN and DD- showed that 80% of the people watched DD, 22% watched BBC and 15% watched CNN. If 5% of people watched DD and CNN, 10% watched DD and BBC, then what percentage of people watched BBC and CNN only ?
(a) 2% (b) 5% (c) 8.5 % (d) Undeterminable
6. A three digit number which on being subtracted from another three-digit number consisting of the same digits in reverse order give 594. The minimum possible sum of all the three digits of this number is
(a) 6 (b) 7 (c) 8 (d) Undeterminable
7. If 22+ 23+ 24+…..87+ 88is divided by 110. then remainder will be
(a) 55 (b) 1 (c) 0 (d) 44
8. In Rajdhani Express, there are 10 boggies which carries on an average of 20 passengers per boggie. If atleast 12 passengers were sitting in each boggie and no any boggie has equal number of passenger then maximum, how many passengers can be accommodated in a boggie ?
(a) 45 (b) 64 (c) 56 (d) None of these
9. The amount of work in a steel plant increased by 50%. By what per cent is it necessary to increase the number of workers to complete the new amount of work in previously planned time, if the productivity of the new labour is 25% more.
(a) 60% (b) 66.66% (c) 40% (d) 33.33%
10. Kunal has 64 small cubes of 1 cm3 each . He wants to arrange all of them in a cuboidal shape, such that surface area of the cuboid shape, such that surface area of the cuboid will be minimum. What is the diagonal of this larger cuboid ?
(a) sq root (273) cm (b) 8 root(2) cm (c) 4 root (3) (d) sq. root (129) cm.


Detailed Solution

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  1. avinashjha

    Question no.6
    If the number is 600.so its reverse will be 006 i.e 6 when we subract 6 from 600 we get 594. So sum of digits is 6.sir plz help me where i m wrong.


    Question no.3
    position of stone x to 2,4,6,8,10m
    for 1st stone 100m
    2nd stone (100-4)*2=192m
    3rd stone (100-6)*2=188m

    so total =100+192+188+92*2+90*2=844

    1. Raja

      Its just a way to match the answer.Think twice,after dropping the 1st stone at point Y, for the second trip to drop 2nd stone again at point Y starting from point ‘Y’ any how one has to travel a distance of 98+98 (i.e. 196) not 192.
      So there should be an option 860.

  3. Aparna

    question 6:

    802-208=594 but it is not satisfying minimum sum condition.
    701-107 is also satisfying the condition and result is 8 with this i.e. 7+0+1=8.

    so i think answer is 8.

    1. Saurabh Sharma

      Question no.3
      611-116= 594
      Try to solve it with options, first make combinations of 3 digit number whose sum is 4,6 or 8 then by keeping two points in mind that, first we have to get 4 in unit digits after subtracting the numbers and second it should come around 594, try to guess the combination.

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