Mixed Quantitative Aptitude Questions Set 158

Banya
  1. If Pipes A and B can fill a tank in 15 min and 20 mins respectively and pipe C empties the tank in 12 mins. what will be the time taken by A, B and C together to fill the tank completely?
    50 minutes
    40 minutes
    20 minutes
    30 minutes
    10 minutes
    Option D
    LCM = 60 = (+4+3-5) = 2
    Tank filled in 1 min = 2 units
    Total time = 60/2 = 30 minutes

     

  2. If ratio of ages of P and Q before 4 year ago is 5 : 4 and after 12 years sum of their ages will be 68 years, their what was P’s age 2 years ago ?
    29 years
    26 years
    24 years
    22 years
    21 years
    Option D
    Age increased in 16 year = 32 years
    Sum of Age of P and Q before 4 years = 36
    5x + 4x = 36
    X = 4
    P’s age 2 years ago = 5x + 2 = 22 years

     

  3. If A invested Rs. 12000 at some rate of interest of S.I and B joined him after 3 months investing 16000 at same rate of interest if A leaves before 2 month of completion, then what will be the share of B’s profit after 1 year if total profit is Rs. 22000?
    Rs.17000
    Rs.12000
    Rs.10000
    Rs.19000
    Rs.16000
    Option B
    Ratio= 5:6
    B’s share = 22000 × 6/11 = Rs.12000

     

  4. If a boat travels 18 km more in downstream than in upstream in 3 hr. and if the speed of the Boat in still water is 20 km/hr. find the distance travelled by boat in downstream in 4 hr. ?
    92 km
    98 km
    96 km
    88 km
    90 km
    Option A
    (Ds –Du ) 3 = 18 km
    Different in 1 hr. = 6km
    Ds and Du
    Speed of boat in still water = 20 km/hr.
    Ds = 23 km/hr.
    Du = 17 km/hr. Distance travelled = 4 × 23 = 92 km

     

  5. When a person sold an article, his profit percent is 60% of the selling price. If the cost price is increased by 75% and the selling price remains the same, then find decrement in the profit is what percent of the selling price of the article?
    50%
    40%
    30%
    10%
    20%
    Option C
    Let the selling price be 250x
    Then, profit = 150x
    CP=250x − 150x = 100x
    Now, new C.P. = 100x × 175/100 = 175x
    New S.P. = 250x
    New profit = 250x – 175x = 75x
    Required % = (150x−75x)/250x × 100 = 30%

     

    6. Directions(6-10): Find the missing term ‘?’ of the following questions.

  6. 130, 154, 186 , ? , 274, 330
    200
    215
    230
    226
    210
    Option D
    +24,+32,+40,+48,+56
    ? = 226

     

  7. 5 , 15, 50, ?, 1030, 6185
    220
    213
    205
    216
    210
    Option C
    5 × 2 + 5 = 15
    15 × 3 + 5 = 50
    50 × 4 + 5 = 205
    205 × 5 + 5 = 1030
    1030 × 6 + 5 = 6185

     

  8. 12, 6.5, 7.5, 12.75, 27.5, ?
    66.50
    55.55
    70.15
    68.20
    71.25
    Option E
    12 × 0.5 + 0.5 = 6.5
    6.5 × 1 + 1 = 7.5
    7.5 × 1.5 + 1.5 = 12.75
    12.75 × 2 + 2 = 27.5
    27.5 × 2.5 + 2.5 = 71.25

     

  9. 18, ?, 9, 18, 72, 576
    8
    7
    9
    6
    4
    Option C
    18 × 0.5 = 9
    9 × 1 = 9
    9 × 2 = 18
    18 × 4 = 72
    72 × 8 = 576
    ? = 9

     

  10. 1864, 1521, 1305, ? , 1116, 1089
    1010
    1550
    1225
    1110
    1180
    Option E
    -7^3,-6^3,-5^3,-4^3,-3^3
    ? = 1180

     


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