Mixed Quantitative Aptitude Questions Set 120

  1. A sum was put at simple interest at a certain rate for 3 years. Had it been put at 1% higher rate, it would have fetched Rs. 5100 more. Find the sum.
    Rs.12000
    Rs.15000
    Rs.18000
    Rs.17000
    Rs.19000
    Option D
    Simple interest for 1 year = 5100/3 = Rs. 1700
    1% of sum = 17000
    sum = 1700×100/1 = Rs.17000

     

  2. The retail price of a water geyser is Rs. 1265. If the manufacturer gains 10%, the wholesale dealer gains 15% and the retailer gains 25%, find the cost of the product .
    Rs. 400
    Rs. 500
    Rs. 600
    Rs. 800
    Rs. 900
    Option D
    Cost price = 100/110 × 100/115 × 100/125 × 1265
    = Rs. 800

     

  3. A pipe can fill a cistern in 6 hrs. Due to a leak in its bottom, it is filled in 7 hrs. When the cistern is full, in how much time will it be emptied by the leak?
    33 hrs.
    42 hrs.
    50 hrs.
    48 hrs.
    40 hrs.
    Option B
    In one hour, 1/6 – 1/7 = 1/42 of the cistern is empty
    The whole cistern will be emptied in 42 hrs.

     

  4. A train is 216 m long. It crosses a platform in 19 seconds with speed 21 m/s. If some 21 m long boxes are added in train and it crosses same platform, then it takes 26 seconds to cross the platform at same speed. How many boxes were added to the train?
    8
    5
    6
    4
    7
    Option E
    Length of platform = 21 × 19 – 216 = 183 m
    Let n boxes are added 216 + 183 + 21n = 21 × 26
    => 21n = 147
    => n = 7

     

  5. A and B started business with Rs 600 and Rs 500 respectively. After 4 months, C replaces B with X% of B’s capital. After 1 year C’s share out of the total profit 24000 is 5600. Find the value of x.
    70%
    50%
    90%
    40%
    80%
    Option A
    (A’s profit) : (B’s profit) : (c’s profit)
    = 600 *12 : 500* 4 : 5x *8
    = 180 : 50 : x
    C’s profit = x/( x 230) × 24000 = 5600
    => x = 70%

     

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

  7. 3, 8, 18, 38, 78, ?
    158
    140
    139
    151
    147
    Option A
    +5,+10,+20,+40,+80
    ? = 158

     

  8. 6, 3, 3, 6, 24, ?
    177
    169
    192
    188
    157
    Option C
    *0.5
    *1
    *2
    *4
    *8
    ? = 192

     

  9. 142, 133, 115, 88, ?
    37
    48
    40
    59
    52
    Option E
    -9,-18,-27,-36
    ? = 52

     

  10. 2, 10, 30, 68, 130, ?
    189
    215
    210
    222
    198
    Option D
    Difference of difference
    ? = 222

     

  11. 5, 8, 12, 18, 27, ?
    36
    40
    34
    31
    38
    Option B
    Difference of difference
    ? = 40

     


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