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SBI Clerk 2020 Aptitude Test - 27
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SBI Clerk 2020 Aptitude Test - 27
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  • Question 1/10
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    Directions For Questions

    Study the following information carefully and answer the questions given below.

    Total number of balls in three boxes A, B and C together is 200. The number of balls in B is 30% of the total number of balls in all the boxes together. If the ratio of the number of red to blue balls in A is 5:3 and the number of blue balls in B is 90% of the number of blue balls in A. The ratio of the total number of balls in A to C is 4:3. Number of red balls in C is 8 less than the number of red balls in A.

    ...view full instructions

    What is the ratio of the number of red to blue balls in C?

    Solutions

    Total number of balls in B = 30/100 * 200 = 60

    Remaining balls = 200 – 60 = 140

    Total number of balls in A = 4/7 * 140 = 80

    Number of blue balls in A = 3/8 * 80 = 30

    Number of red balls in A = 5/8 * 80 = 50

    Number of blue balls in B = 30 * 90/100 = 27

    Number of red balls in B = 60 – 27 = 33

    Total number of balls in C = 3/7 * 140 = 60

    Number of red balls in C = 50 – 8 = 42

    Number of blue balls in C = 60 – 42 = 18

    Required ratio = 42:18

    =7:3

     

  • Question 2/10
    1 / -0

    Directions For Questions

    Study the following information carefully and answer the questions given below.

    Total number of balls in three boxes A, B and C together is 200. The number of balls in B is 30% of the total number of balls in all the boxes together. If the ratio of the number of red to blue balls in A is 5:3 and the number of blue balls in B is 90% of the number of blue balls in A. The ratio of the total number of balls in A to C is 4:3. Number of red balls in C is 8 less than the number of red balls in A.

    ...view full instructions

    The total number of blue balls in all the boxes together is approximately what percent of the total number of red balls in all the boxes together?

    Solutions

    Required percentage = (30 + 27 + 18)/(50 + 33 + 42) * 100

    = 60%

     

  • Question 3/10
    1 / -0

    Directions For Questions

    Study the following information carefully and answer the questions given below.

    Total number of balls in three boxes A, B and C together is 200. The number of balls in B is 30% of the total number of balls in all the boxes together. If the ratio of the number of red to blue balls in A is 5:3 and the number of blue balls in B is 90% of the number of blue balls in A. The ratio of the total number of balls in A to C is 4:3. Number of red balls in C is 8 less than the number of red balls in A.

    ...view full instructions

    What is the difference between the number of red and blue balls in B?

    Solutions

    Difference = 33 – 27 = 6

     

  • Question 4/10
    1 / -0

    Directions For Questions

    Study the following information carefully and answer the questions given below.

    Total number of balls in three boxes A, B and C together is 200. The number of balls in B is 30% of the total number of balls in all the boxes together. If the ratio of the number of red to blue balls in A is 5:3 and the number of blue balls in B is 90% of the number of blue balls in A. The ratio of the total number of balls in A to C is 4:3. Number of red balls in C is 8 less than the number of red balls in A.

    ...view full instructions

    What is the ratio of the total number of balls in B to the total number of balls in A?

    Solutions

    Required ratio = 60:80 = 3:4

     

  • Question 5/10
    1 / -0

    Directions For Questions

    Study the following information carefully and answer the questions given below.

    Total number of balls in three boxes A, B and C together is 200. The number of balls in B is 30% of the total number of balls in all the boxes together. If the ratio of the number of red to blue balls in A is 5:3 and the number of blue balls in B is 90% of the number of blue balls in A. The ratio of the total number of balls in A to C is 4:3. Number of red balls in C is 8 less than the number of red balls in A.

    ...view full instructions

    What is the sum of the number of red balls in A and number of blue balls in C?

    Solutions

    Required sum = 50 + 18 = 68

     

  • Question 6/10
    1 / -0

    A and B together can complete the work in 12 days and B and C together can complete the work in 15 days. If C alone complete the half of the work in 10 days, in how many days A alone complete two-third of the work?

    Solutions

    A + B = 1/12

    B + C = 1/15

    C alone complete whole work in 20 days

    B = 1/15 – 1/20

    B = 1/60

    A = 1/12 – 1/60

    A = 1/15

    A alone complete two-third of the work = 2/3 * 15 = 10 days

     

  • Question 7/10
    1 / -0

    The time taken by a boat travels from S to T in stream is 36 hours and the time taken by the boat to travel from S to T in downstream is 9 hours. If the speed of boat in still water is 15 kmph, then what is the speed of a boat in upstream?

    Solutions

    Speed of stream = x

    Speed of the boat = 15 kmph

    Speed of downstream = x + 15

    Distance = (x + 15) * 9

    (x + 15) * 9/36 = x

    9x + 15 * 9 = 36x

    27x = 15 * 9

    X = 5 kmph

    Speed of upstream = 15 – 5 = 10 kmph

     

  • Question 8/10
    1 / -0

    A and B started the business with the investment of Rs.5000 and Rs.9000 respectively. After 5 months A added Rs.1000 and B withdrew Rs.1000 for his initial investment. At the end of year the total profit of the business is Rs.8400, then what is the difference between the profit share of A and B?

    Solutions

    Profit ratio of A and B = (5000 * 5 + 6000 * 7):(9000 * 5 + 8000 * 7)

    = 67000:101000

    =67:101

    Required Difference = (101 – 67)/168 * 8400

    = Rs.1700

     

  • Question 9/10
    1 / -0

    A sum of money becomes Rs.10560 in 8 years at 15% rate of simple interest. If the same sum invests in compound interest scheme at the rate of 10% per annum for 2 years, then what is the compound interest received by after 2 years?

    Solutions

    SI = P * N * R/100

    10560 – P = P * 8 * 15/100

    1056000 – 100P = 120P

    P = Rs.4800

    CI = P * (1 + R/100)n – P

    CI = 4800 * (1 + 10/100)2 – 4800

    = Rs.1008

     

  • Question 10/10
    1 / -0

    The marked price of the table is Rs.4000. If the shopkeeper allows three different successive discounts 10%, 15% and 20% respectively and the selling price of the table is 50% more than the cost price of the table, then find the cost price of the table?

    Solutions

    MP of table = Rs.4000

    CP of table = x

    SP of table = 150/100 * x = 3x/2

    3x/2 = 4000 * 90/100 * 85/100 * 80/100

    3x/2 = 2448

    X = Rs.1632

     

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