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SSC CGL Ratio and Average Practice Test 4

15 fresh SSC CGL ratio and average questions on ages, mixtures, weighted averages, and proportional distribution.

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SSC CGL Practice Session

SSC CGL Ratio and Average Practice Test 4

15 fresh SSC CGL ratio and average questions on ages, mixtures, weighted averages, and proportional distribution.

Questions
15
Marking
+2 correct, -0.5 wrong
Format
15-question ad-supported session
Preview all 15 questions in SSC CGL Ratio and Average Practice Test 4 (no login required)
  1. Ratio

    1. Simplify 42:56

    • A. 2:3
    • B. 3:4 (Correct)
    • C. 4:5
    • D. 5:6

    Explanation: Divide both terms by 14.

  2. Average

    2. Average of 12, 16, 20 and 24 is:

    • A. 16
    • B. 17
    • C. 18 (Correct)
    • D. 19

    Explanation: Sum = 72, so average = 18.

  3. Proportion

    3. If 5:8 = x:24, then x =

    • A. 12
    • B. 15 (Correct)
    • C. 18
    • D. 20

    Explanation: x = 24 x 5/8 = 15.

  4. Average

    4. Average of 9 numbers is 14. Their total is:

    • A. 116
    • B. 122
    • C. 126 (Correct)
    • D. 132

    Explanation: Total = 9 x 14 = 126.

  5. Ratio

    5. If boys:girls = 5:4 and total students are 81, girls are:

    • A. 32
    • B. 36 (Correct)
    • C. 40
    • D. 45

    Explanation: Total parts = 9, one part = 9, so girls = 4 x 9 = 36.

  6. Ages

    6. A:B = 3:5 and A is 24 years. B is:

    • A. 32
    • B. 36
    • C. 40 (Correct)
    • D. 42

    Explanation: One part = 8, so B = 5 x 8 = 40.

  7. Partnership

    7. A and B invest in ratio 7:5. Total profit is Rs. 7200. B's share is:

    • A. 2500
    • B. 2800
    • C. 3000 (Correct)
    • D. 3200

    Explanation: B gets 5/12 of 7200 = 3000.

  8. Weighted Average

    8. Average weight of 8 boys is 42 kg and of 4 girls is 36 kg. Average weight of all 12 children is:

    • A. 38 kg
    • B. 39 kg
    • C. 40 kg (Correct)
    • D. 41 kg

    Explanation: Total weight = 8 x 42 + 4 x 36 = 480, so average = 480/12 = 40.

  9. Average

    9. Average of first 5 odd numbers is:

    • A. 3
    • B. 4
    • C. 5 (Correct)
    • D. 6

    Explanation: The numbers are 1, 3, 5, 7, 9 with sum 25.

  10. Mixture

    10. Tea and sugar are mixed in ratio 9:1. In 50 kg mixture, sugar is:

    • A. 4 kg
    • B. 5 kg (Correct)
    • C. 6 kg
    • D. 7 kg

    Explanation: Sugar is 1/10 of the mixture.

  11. Average

    11. The average of 6 numbers is 22. If one number 34 is removed, the average of remaining 5 numbers is:

    • A. 18
    • B. 19.6 (Correct)
    • C. 20
    • D. 21

    Explanation: Total = 132. Remaining total = 98. Average = 98/5 = 19.6.

  12. Ratio

    12. Convert the ratio 0.8:1.2 into simplest form.

    • A. 2:3 (Correct)
    • B. 3:4
    • C. 4:5
    • D. 5:6

    Explanation: Multiply by 10 to get 8:12 = 2:3.

  13. Average Value

    13. If the average of 4 values is 18, and three values are 10, 16, and 20, the fourth is:

    • A. 22
    • B. 24
    • C. 26 (Correct)
    • D. 28

    Explanation: Total needed = 72. Given total = 46, so fourth value = 26.

  14. Sharing

    14. Rs. 540 is divided in the ratio 4:5. The larger share is:

    • A. 220
    • B. 240
    • C. 260
    • D. 300 (Correct)

    Explanation: Total parts = 9, one part = 60, larger share = 5 x 60.

  15. Ages

    15. Average age of A and B is 28 years, and average age of B and C is 32 years. If B is 30 years, average age of A and C is:

    • A. 28
    • B. 29
    • C. 30 (Correct)
    • D. 31

    Explanation: A + B = 56 and B + C = 64, so A + C = 60 and average = 30.