Quant Test for IBPS PO Prelims Exam set – 23

Directions(1-5): Find the missing term ‘?’ of the following number series.

  1. 4, 11, 25, 53, 109, (?)
    200
    202
    221
    213
    230
    Option C
    4 +1 × 7 = 11
    11 + 2 × 7 = 25
    25 + 4 × 7 = 53
    53 + 8 × 7 = 109
    109 + 16 × 7 = 109 + 112 = 221

     

  2. 15, 21, 33, 51, 75, (?)
    125
    120
    200
    105
    170
    Option D
    15 + 6 × 1 = 21
    21 + 6 × 2 = 33
    33 + 6 × 3 = 51
    51 + 6 × 4 = 75
    75 + 6 × 5 = 105

     

  3. 5, 7, 13, 25, 45, (?)
    60
    80
    91
    87
    75
    Option E
    5 + 1 × 2 = 7
    7 + 2 × 3 = 13
    13 + 3 × 4 = 25
    25 + 4 × 5 = 45
    45 + 5 × 6 = 75

     

  4. 483, 471,435, 375, 291, (?)
    170
    183
    175
    189
    195
    Option B
    483 – 1 × 12 = 483 – 12 = 471
    471 – 3 × 12 = 471 – 36 = 435
    435 – 5 × 12 = 435 – 60 = 375
    375 – 7 × 12 = 375 – 84 = 291
    291 – 9 × 12 = 291 – 108 = 183

     

  5. 11, 15, 31, 67, 131, (?)
    220
    250
    262
    231
    250
    Option D
    11 + 2^2 = 11 + 4 = 15
    15 + 4^2 = 15 + 16 = 31
    31 + 6^2 = 31 + 36 = 67
    67 + 8^2 = 67 + 64 = 131
    131 + 10^2 = 131 + 100 = 231

     

  6. A starts business with Rs. 7000 and after 5 months, B joins with A as his partner. After 1 year, the profit is divided in the ratio 2 : 3. What is B’s contribution in the capital?
    15620
    17500
    18000
    15200
    19250
    Option C
    Let B’s capital be Rs. x. Then.
    (7000 x 12) / 7x = 2/3
    =>14x = 252000
    => x = 18000

     

  7. A cricketer has completed 10 innings and his average is 21.5 runs. How many runs must he make in his next innings so as to raise his average to 24?
    55
    60
    45
    49
    32
    Option D
    Total of 10 innings = 21.5 x 10 = 215
    Average in 11 innings =(215 + a) / 11= 24
    a = 264-215 = 49

     

  8. Rohit invested 20000 rupee in fixed deposit at the rate of 10% simple interest. After every 3 rd year he added interest to principal. Find the interest earned at the end of 6th year.
    6200
    8100
    7800
    7700
    6000
    Option C
    For the first 3 years SI will be = 20000*10/100*3 = 6000
    Now he add 3000 to the principal i.e = 20000+6000 = 26000
    Now interest earned at end of 6th year = 26000*10/100*3 = 7800

     

  9. P sold his scooter to Q at a loss of 20%. Q spent rupees 1500 on its repair and sold the scooter to R for 42000, thereby making a profit of 5%. Find the cost of scooter for P?
    45200
    35200
    48125
    40000
    51200
    Option C
    Cost of P is CP,
    Cost for Q = (80/100)*cp + 1500
    Selling price of Q = 42000 = (105/100)*[(80/100)*cp + 1500] cp = 48125

     

  10. A bag contains 5 red balls and 7 blue balls. Two balls are drawn at random without replacement, and then find the probability of that one is red and other is blue.
    30/61
    33/68
    35/66
    41/61
    50/67
    Option C
    Required Probability = (5/12)*(7/11) + (7/12)*(5/11) = 35/66

     


Related posts

Leave a Comment