Quant Test for IBPS PO 2018 Prelim Exam Set – 25

Directions(1-5): Find the odd number of the following series.

  1. 28,60,124,221,348,508
    221
    348
    20
    28
    508
    Option A
    28+16*2= 60
    60+16*4 = 124
    124+16*6= 220
    220+16*8 = 348
    348 + 16*10 = 508

     

  2. 61,66,73,84,96,114
    61
    114
    96
    84
    66
    Option C
    61+5 = 66
    66+7 = 73
    73+11 = 84
    84+13 = 97
    97+17 = 114

     

  3. 11,25,53,99,151,221
    53
    11
    25
    221
    99
    Option E
    11+7*2 = 25
    25+7*4 = 53
    53+7*6 = 95
    95+7*8 = 151
    151+7*10 = 221

     

  4. 32,45,60,81,104,133
    45
    60
    32
    81
    133
    Option B
    32+13 = 45
    45+17 = 62
    60+19 = 81
    81+23 = 104
    104+29 = 133

     

  5. 37,48,81,138,213,312
    213
    312
    48
    138
    37
    Option D
    37+11*1 = 48
    48+11*3 = 81
    81+11*5 = 136
    136+11*7 = 213
    213+11*9 = 312

     

  6. The cost price of an article A is 30% more than the selling price of article B and selling price of A is 80% more than the price of article B. If selling price of article A is 50% more than the selling price of article B then the selling price of article B then the cost price of article A is what percentage more or less than the cost price of article B?
    44%
    50%
    62%
    40%
    56%
    Option E
    Let the cost price of B be Rs. x and selling price of B be Rs. y.
    Selling price of A = 9x/5 and cost price of B = 13y/10
    Now, 9x/5 = 150% of y
    => y = 6x/5 Cost price of A = 39x/25
    Ratio of cost price of B : cost price of A = x : 39x/25
    = 25:39
    Required% = 14/25*100 = 56%

     

  7. A jar contains a mixture of two liquids A and B in the ratio 4 : 1. When 10 litres of the mixture is taken out and 10 litres of liquid B is poured into the jar, the ratio becomes 2 : 3. How many litres of liquid A was contained in the jar?
    5 litres
    25 litres
    10 litres
    16 litres
    20 litres
    Option D
    Let quantity of A & B be 4x & x.
    According to the question, [4x − 10× 4/5]/[x − 10× 1/5 + 10] = 2/3
    =>[ 4x – 8]/[ x + 8] = 2/3
    => 12x – 24 = 2x + 16
    => 10x = 40
    =>x = 4
    Required answer = 4x = 4 × 4 = 16 litres

     

  8. A and B entered into a partnership, investing Rs. 10000 and Rs. 15000 respectively. After 4 months, ‘A’ invested Rs. 5000 more, while B withdraws Rs. 5000. After 4 months more, C joins the business with a capital of Rs. 16,000. After a year, they obtained a profit of Rs. 11830. What is B’s share in the profit?
    4620
    4550
    3260
    5550
    4000
    Option B
    (A’s profit) : (B’s profit) : (C’s profit)
    = (10000 × 4 + 15000 × 8) : (15000 × 4 + 10000 × 8) : (16000 × 4)
    = 40 : 35 : 16
    B’s profit = 35/91 ×11830 = 4550

     

  9. Of an adult population in a certain city, 52% of men and 28% of women are married. If no man marries more than one woman, and vice versa, What is the percentage of total population of adults who are married ?
    36.4%
    21.5%
    33.3%
    30.6%
    25.5%
    Option A
    Let total men = x
    Total women = y
    52/100 ×x = 28/100 ×y
    => 𝑥/𝑦 = 7/13
    ” Required percentage = [7*0.52 + 13*0.28]/20*100 = 36.4%

     

  10. Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
    7/23
    8/21
    9/20
    7/23
    9/19
    Option C
    Here, S = {1, 2, 3, 4, …., 19, 20}.
    Let E = event of getting a multiple of 3 or 5 = {3, 6 , 9, 12, 15, 18, 5, 10, 20}.
    P(E) = n(E)/n(S) = 9/20

     


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