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IBPS RRB OS-1 2025 Aptitude Test - 3
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IBPS RRB OS-1 2025 Aptitude Test - 3
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  • Question 1/10
    1 / -0.25

    What value should come in the place of (?) in the following number series?

    98, 242, ?, 694, 1018, 1418

    Solutions

    Answer: C

    The given series follows the following pattern:

    98 + 122 = 242

    242 + 142 = 438

    438 + 162 = 694

    694 + 182 = 1018

    1018 + 202 = 1418

  • Question 2/10
    1 / -0.25

    Directions For Questions

    Study the following information carefully and answer the questions.

    The given bar graph shows the average number of Fogg and Burberry perfumes sold in five different months: March, April, May, June and July. It also provides the number of Fogg perfumes sold in these five months.

    Note:

    The total number of perfumes sold = The number of Fogg perfumes sold + The number of Burberry perfumes sold

    ...view full instructions

    Find the ratio of the total number of Fogg perfumes sold in March and April together to the number of Burberry perfumes sold in July.

    Solutions

    In March:

    The total number of perfumes sold = 360 * 2 = 720

    The number of Burberry perfumes sold = 720 – 210 = 510

    In April:

    The total number of perfumes sold = 300 * 2 = 600

    The number of Burberry perfumes sold = 600 – 330 = 270

    In May:

    The total number of perfumes sold = 420 * 2 = 840

    The number of Burberry perfumes sold = 840 – 240 = 600

    In June:

    The total number of perfumes sold = 240 * 2 = 480

    The number of Burberry perfumes sold = 480 – 300 = 180

    In July:

    The total number of perfumes sold = 390 * 2 = 780

    The number of Burberry perfumes sold = 780 – 450 = 330

    Answer: A

    The total number of Fogg perfumes sold in March and April together = 210 + 330 = 540

    The required ratio = 540:330 = 18:11

  • Question 3/10
    1 / -0.25

    Directions For Questions

    Study the following information carefully and answer the questions.

    The given bar graph shows the average number of Fogg and Burberry perfumes sold in five different months: March, April, May, June and July. It also provides the number of Fogg perfumes sold in these five months.

    Note:

    The total number of perfumes sold = The number of Fogg perfumes sold + The number of Burberry perfumes sold

    ...view full instructions

    There are two variants of Burberry perfumes sold: Lemon and Rose. If the ratio of the number of Lemon Burberry perfumes sold in March to those sold May is 10:17 and the number of Rose Burberry perfumes sold in May is 50 less than that in March, find the number of Rose Burberry perfumes sold in May.

    Solutions

    In March:

    The total number of perfumes sold = 360 * 2 = 720

    The number of Burberry perfumes sold = 720 – 210 = 510

    In April:

    The total number of perfumes sold = 300 * 2 = 600

    The number of Burberry perfumes sold = 600 – 330 = 270

    In May:

    The total number of perfumes sold = 420 * 2 = 840

    The number of Burberry perfumes sold = 840 – 240 = 600

    In June:

    The total number of perfumes sold = 240 * 2 = 480

    The number of Burberry perfumes sold = 480 – 300 = 180

    In July:

    The total number of perfumes sold = 390 * 2 = 780

    The number of Burberry perfumes sold = 780 – 450 = 330

    Answer: C

    Let the number of Lemon Burberry perfumes sold in March and May be 10a and 17a respectively.

    Let the number of Rose Burberry perfumes sold in March be ‘b’

    So, the number of Rose Burberry perfumes sold in May = (b – 50)

    10a + b = 510 --- →(1)

    17a + b – 50 = 600

    17a + b = 650 --- →(2)

    Solving equations (1) and (2), we get

    7a = 140

    a = 20

    The value of a, apply on equation (1), we get

    (10 * 20) + b = 510

    b = 510 – 200 = 310

    The number of RoseBurberry perfumes sold in May = b – 50 = 310 – 50 = 260

  • Question 4/10
    1 / -0.25

    Directions For Questions

    Study the following information carefully and answer the questions.

    The given bar graph shows the average number of Fogg and Burberry perfumes sold in five different months: March, April, May, June and July. It also provides the number of Fogg perfumes sold in these five months.

    Note:

    The total number of perfumes sold = The number of Fogg perfumes sold + The number of Burberry perfumes sold

    ...view full instructions

    If the average number of Fogg perfumes sold in April, July and August is 380, the number of Fogg perfumes sold in August is what percentage of the number of Burberry perfumes sold in April?

    Solutions

    In March:

    The total number of perfumes sold = 360 * 2 = 720

    The number of Burberry perfumes sold = 720 – 210 = 510

    In April:

    The total number of perfumes sold = 300 * 2 = 600

    The number of Burberry perfumes sold = 600 – 330 = 270

    In May:

    The total number of perfumes sold = 420 * 2 = 840

    The number of Burberry perfumes sold = 840 – 240 = 600

    In June:

    The total number of perfumes sold = 240 * 2 = 480

    The number of Burberry perfumes sold = 480 – 300 = 180

    In July:

    The total number of perfumes sold = 390 * 2 = 780

    The number of Burberry perfumes sold = 780 – 450 = 330

    Answer: D

    The number of Fogg perfumes sold in August = (380 * 3)–330 – 450 = 1140 – 780 = 360

    The required percentage = (360/270) * 100 = 133.33%

  • Question 5/10
    1 / -0.25

    Directions For Questions

    Study the following information carefully and answer the questions.

    The given bar graph shows the average number of Fogg and Burberry perfumes sold in five different months: March, April, May, June and July. It also provides the number of Fogg perfumes sold in these five months.

    Note:

    The total number of perfumes sold = The number of Fogg perfumes sold + The number of Burberry perfumes sold

    ...view full instructions

    Out of the total number of perfumes sold in June, (X – 2.5)% are Burberry perfumes. If the total number of perfumes (Fogg + Burberry) sold in January is (X – 15)% more than that in April, find the total number of perfumes sold in January.

    Solutions

    In March:

    The total number of perfumes sold = 360 * 2 = 720

    The number of Burberry perfumes sold = 720 – 210 = 510

    In April:

    The total number of perfumes sold = 300 * 2 = 600

    The number of Burberry perfumes sold = 600 – 330 = 270

    In May:

    The total number of perfumes sold = 420 * 2 = 840

    The number of Burberry perfumes sold = 840 – 240 = 600

    In June:

    The total number of perfumes sold = 240 * 2 = 480

    The number of Burberry perfumes sold = 480 – 300 = 180

    In July:

    The total number of perfumes sold = 390 * 2 = 780

    The number of Burberry perfumes sold = 780 – 450 = 330

    Answer: B

    According to the question,

    (X – 2.5)% = 180/480 * 100

    (X – 2.5)% = 37.5%

    X = 37.5 + 2.5 = 40

    The total number of perfumes sold in January = 600 * (100 + X – 15)/100 = 600 * (100 + 40 – 15)/100

    = 600 * 125/100 = 750

  • Question 6/10
    1 / -0.25

    Directions For Questions

    Study the following information carefully and answer the questions.

    The given bar graph shows the average number of Fogg and Burberry perfumes sold in five different months: March, April, May, June and July. It also provides the number of Fogg perfumes sold in these five months.

    Note:

    The total number of perfumes sold = The number of Fogg perfumes sold + The number of Burberry perfumes sold

    ...view full instructions

    Out of the total number of Burberry perfumes sold in May, 45% were sold to males. If the total number of perfumes sold to females in May is 460, find the number of Fogg perfumes sold to males in May.

    Solutions

    In March:

    The total number of perfumes sold = 360 * 2 = 720

    The number of Burberry perfumes sold = 720 – 210 = 510

    In April:

    The total number of perfumes sold = 300 * 2 = 600

    The number of Burberry perfumes sold = 600 – 330 = 270

    In May:

    The total number of perfumes sold = 420 * 2 = 840

    The number of Burberry perfumes sold = 840 – 240 = 600

    In June:

    The total number of perfumes sold = 240 * 2 = 480

    The number of Burberry perfumes sold = 480 – 300 = 180

    In July:

    The total number of perfumes sold = 390 * 2 = 780

    The number of Burberry perfumes sold = 780 – 450 = 330

    Answer: E

    The number of Burberry perfumes sold to males in May = 600 * (45/100) = 270

    The total number of perfumes sold to males in May = 840 – 460 = 380

    The number of Fogg perfumes sold to males in May = 380 – 270 = 110

  • Question 7/10
    1 / -0.25

    Directions For Questions

    Study the following information carefully and answer the questions.

    The given bar graph shows the average number of Fogg and Burberry perfumes sold in five different months: March, April, May, June and July. It also provides the number of Fogg perfumes sold in these five months.

    Note:

    The total number of perfumes sold = The number of Fogg perfumes sold + The number of Burberry perfumes sold

    ...view full instructions

    Find the difference between the total number of perfumes sold in March and the total number of Burberry perfumes sold in April and June together.

    Solutions

    In March:

    The total number of perfumes sold = 360 * 2 = 720

    The number of Burberry perfumes sold = 720 – 210 = 510

    In April:

    The total number of perfumes sold = 300 * 2 = 600

    The number of Burberry perfumes sold = 600 – 330 = 270

    In May:

    The total number of perfumes sold = 420 * 2 = 840

    The number of Burberry perfumes sold = 840 – 240 = 600

    In June:

    The total number of perfumes sold = 240 * 2 = 480

    The number of Burberry perfumes sold = 480 – 300 = 180

    In July:

    The total number of perfumes sold = 390 * 2 = 780

    The number of Burberry perfumes sold = 780 – 450 = 330

    Answer: C

    The total number of Burberry perfumes sold in April and June together = 270 + 180 = 450

    The required difference = 720 – 450 = 270

  • Question 8/10
    1 / -0.25

    The volume of the cone is 35280 cm3 and the height of the cone is 5A cm and the perimeter of the square is 64 cm and its side is A cm. If the radius of the cone is increased by (2A + 7) cm, find the slant height of the cone.(π =3)

    Solutions

    Answer: A

    The perimeter of the square = 64 cm

    4A = 64

    A = 16

    The side of the square = A = 16 cm

    The height of the cone = 5 * A = 5 * 16 = 80 cm

    The volume of the cone = 1/3 * πr2h

    1/3 * πr2h = 35280

    1/3 * 3 * r2 * 80 = 35280

    r2 = 441

    r = 21

    The new radius of the cone = 21 + 2A + 7 = 28 + (2 * 16) = 60 cm

    The slant height of the cone = √(r2 + h2) = √(602 + 802) = √(3600 + 6400) = √10000 = 100 cm

  • Question 9/10
    1 / -0.25

    Priya spends 20% of her monthly income on food, R% on rent and transport, (R/2)% on education, and 22% on clothes. She saves the remaining amount of Rs.11076. Find the value of R if Priya’s monthly income is Rs.85200.

    Solutions

    Answer: D

    The percentage of Priya’s monthly income that she saves = (11076/85200) * 100 = 13%

    According to the question,

    20% + R% + (R/2)% + 22% + 13% = 100%

    55% + R% + 0.5R% = 100%

    1.5R% = 45%

    R = 30

  • Question 10/10
    1 / -0.25

    The ratio of the speeds of train A to train B is 3:2. The lengths of trains A and B are (L + 100) meters and L meters respectively. Each train crosses a pole in 10 seconds. Find the time taken forthe two trains to cross each other when they are moving in the same direction.

    Solutions

    Answer: C

    Let the speed of trains A and B be 3x m/s and 2x m/s respectively.

    According to the question,

    (L + 100) = 3x * 10

    L = 30x – 100 ---(1)

    L = 2x * 10

    L = 20x ---(2)

    Equating equations (1) and (2), we get

    30x – 100 = 20x

    10x = 100

    x = 10

    L = 20 * 10 = 200

    The length of train A = 200 + 100 = 300 meters

    The length of train B = 200 meters

    The speed of train A = 3 * 10 = 30 m/s

    The speed of train B = 2 * 10 = 20 m/s

    The required time taken = (300 + 200)/(30 – 20) = 500/10 = 50 seconds

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