Mixed Quantitative Aptitude Questions Set 86

  1. (45.004% of 1439.97 – 15.99% of 2249.97) ÷ 35.98 = ?
    10
    14
    5
    8
    13
    Option D
    ? = (45% × 1440 − 16% × 2250)/36
    = 288/36 = 8

     

  2. 874.96 + 94.0091 × 34.98 – 1244.98 = ?
    2920
    2233
    2112
    2122
    2080
    Option A
    ? = 875 + 94 × 35 – 1245 = 2920

     

  3. 8,23,199.98 × 99.92 = ? × 80,000
    1030
    1230
    1123
    1890
    1150
    Option A
    ? = 823200×100/80000 = 1030

     

  4. (242699 + 167109) ÷ (9946 – 9446) = ?
    550
    650
    760
    900
    820
    Option E
    ? = 409810/500
    = 819.62 == 820

     

  5. √675.9995 + (3.9989)^2 =? ÷ 1/6.9900865
    7
    6
    3
    2
    8
    Option B
    √676 + 4^2 = ?÷ 1/7
    => 26 + 16 = ?×7
    ? = 42/7
    ? = 6

     


  6. Directions(6-10):
    Study the information carefully to answer the questions that follow :
    A school consisting of 1560 students has boys and girls in the ratio of 7 : 5 respectively . All the students are enrolled for different county vis Russia , Switzerland and Japan . One fifth of the boys are enrolled for only Switzerland tour . Twenty percent of the girls are enrolled for only Japan tour . Ten percent of the boys are enrolled for only Russia tour . Twenty four percent of the girls are enrolled for both Russia and Switzerland tour together . The number of girls enrolled for only Russia tour is two hundred percent of the boys enrolled in the same . One –thirteenth of the boys are enrolled for all the three tours together . The respective ratio of boys enrolled for Switzerland and Japan tour together to the girls enrolled for the same is 2 : 1 respectively . Ten percent of the girls are enrolled for only Switzerland tour where as eight percent of the girls are enrolled for both Switzerland and Japan tour together. The remaining girls are enrolled for all the three tours together . The number of boys enrolled for Russia and Switzerland tour together is fifty percent for the same . The remaining boys are enrolled for only Japan tour.

  7. What is the total number of students enrolled for all the three tours and number of girls enrolled for Switzerland and Russia tour together and number of boys enrolled for Switzerland and Japan tour together ?
    424
    342
    330
    395
    450
    Option D
    Total number of boys = 1560 x (7/12) = 910
    Number of girls = 1560 – 910 = 650

    Required number of students = (70 + 65) + 156 + 104
    = 395

     

  8. Number of girls enrolled for only Switzerland , Russia and Japan tour together is what percent of the boys together enrolled for the same (rounded off to two digits after decimal ) .
    57.29%
    60.25%
    47.22%
    50.25%
    42.13%
    Option A
    Number of girls for only Switzerland , Russia and Japan tour =130 + 182 + 65 = 377
    Number of boys for only Switzerland , Russia and Japan tour = 385 + 91 + 182 = 658
    Required per cent = (377 *100)/658 = 57.29%

     

  9. Total number of girls enrolled for Russia is approximately what percent of students for the school ?
    18
    21
    17
    26
    14
    Option D
    Number of girls enrolled for Russia = 156 + 182 + 65
    = 403
    Required per cent = (403*100)/1560 = 26

     

  10. What is the respective ratio of the number of girls enrolled for only Japan tour and number of boys enrolled for Switzerland tour together to the number of boys enrolled for the Japan tour and number of girls enrolled for Switzerland tour together ?
    53 : 67
    55 : 71
    52 : 75
    40 : 63
    42 : 51
    Option C
    Required ratio = (130 + 182) : (385 + 65)
    = 52 : 75

     

  11. What is the sum of the total number of boys who enrolled for Switzerland and the total number of girls who enrolled for same tour together ?
    787
    770
    679
    772
    707
    Option D
    Total number of boys enrolled for Switzerland tour
    = 182 + 70 + 104 + 78 = 434
    Number of girls = 65 + 156 + 52 + 65 = 338
    Required answer = 434 + 338 = 772

     


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