Quant Test for NIACL AO Prelims Exam Set – 13

Directions(1-5): What will come in place of question mark “?” in the following questions.

  1. 12.99*23.98+38.98*5.99 = ?*13.01
    25
    30
    38
    42
    33
    Option D
    12.99*23.98+38.98*5.99 = ?*13.01
    => 13*24+39*6 = ?*13
    => ?*13 = 312+234
    => ? = 42

     

  2. 15.98% of 924.99 = 19.98% of ? + 24.98% of 419.98
    220
    200
    222
    210
    215
    Option E
    15.98% of 924.99 = 19.98% of ? + 24.98% of 419.98
    => 16% of 925 = 20% of ? + 25% of 420
    => 0.20*? + 0.25*420 = 0.16*925
    => ? = 215

     

  3. 15*8+?*6 -14*3 = 16*9
    11
    9
    5
    8
    6
    Option A
    15*8+?*6 -14*3 = 16*9
    => 120 + ?*6 – 42 = 144
    => ?*6 + 78 = 144
    => ?*6 = 66
    => ? = 11

     

  4. 25% of 720 – 12% of 850 = 20% of ?
    315
    390
    300
    350
    341
    Option B
    25% of 720 – 12% of 850 = 20% of ?
    =>0.2 * ? =0.25*720 – 0.12*850
    => ? = 390

     

  5. 40% of 840 – 18^2 = (?)^1/2 – (216)^1/3
    313
    324
    352
    300
    360
    Option B
    40% of 840 – 18^2 = (?)^1/2 – (216)^1/3
    => (?)^1/2 – 6 = 0.4 *840 – 324
    => (?)^1/2 = 336 -324 + 6
    => ? = 324

     

  6. Directions(6-10): The graph shows the number of bulbs and tubelights manufactured by five different companies in the year 2016.

  7. Find the average number of bulbs manufactured by each of the given companies in 2016.
    4444
    4244
    5120
    5445
    5000
    Option B
    Required average = (3240+5825+3875+3640+4640)/5 = 4244

     

  8. If 25% of the bulbs and 20% of the tubelights manufactured by company E in 2016 remained unsold, then find the total number of bulbs and tubelights manufactured by company E in 2016 that were sold.
    7200
    7170
    6560
    7640
    6060
    Option D
    Total number of sold bulbs and tubelights = 75% of 4640 + 80% of 5200
    = 7640

     

  9. If 75% of the tubelights manufactured by company D were sold and 10% of the sold tubelights were defective, find the number of defective tubelights sold by company D.
    300
    290
    321
    310
    313
    Option C
    Required number of defective tubelights sold = 10% of (75% of 4280)
    = 321

     

  10. Find the ratio of the number of bulbs and tubelights together manufactured by company A in 2016 to the number of bulbs and tubelights together manufactured by company E in the same year.
    203:216
    207:250
    195:239
    203:246
    200:241
    Option D
    Total number of bulbs and tubelights manufactured by A = 3240+4880
    = 8120

    Total number of bulbs and tubelights manufactured by E = 4640+5200 = 9840
    Required% = 8120:9840 = 203:246

     

  11. The total number of bulbs and tubelights together manufactured by company B is what percent more than the number of bulbs and tubelights together manufactured by company C?
    30.1%
    19.9%
    25.5%
    37.8%
    30.6%
    Option D
    Total number of bulbs and tubelights manufactured by B = 5825 + 4410
    = 10235
    Total number of bulbs and tubelights manufactured by C = 3875+3550 = 7425
    Required% = (10235-7425)/7425*100 = 37.8%

     


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