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Practice Test 6
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SSC CGL Statistics Practice Test 6

15 SSC CGL statistics questions with chapter-wise explanations and exam-style options.

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SSC CGL Practice Session

SSC CGL Statistics Practice Test 6

15 SSC CGL statistics questions with chapter-wise explanations and exam-style options.

Questions
15
Marking
+2 correct, -0.5 wrong
Format
15-question ad-supported session
Preview all 15 questions in SSC CGL Statistics Practice Test 6 (no login required)
  1. Statistics

    1. Simplify 18:24

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

    Explanation: Divide both terms by 6.

  2. Statistics

    2. Average of 14, 16, and 18 is:

    • A. 15
    • B. 16 (Correct)
    • C. 17
    • D. 18

    Explanation: Sum = 48, divide by 3.

  3. Statistics

    3. If 3:5 = x:20, then x =

    • A. 10
    • B. 11
    • C. 12 (Correct)
    • D. 13

    Explanation: 3/5 = x/20.

  4. Statistics

    4. 150 is divided in the ratio 2:3. The smaller part is:

    • A. 50
    • B. 55
    • C. 60 (Correct)
    • D. 65

    Explanation: 2/5 of 150 is 60.

  5. Statistics

    5. Average age of 4 persons is 22 years. Total age is:

    • A. 80
    • B. 84
    • C. 88 (Correct)
    • D. 92

    Explanation: Average x number = 22 x 4.

  6. Statistics

    6. If A:B = 3:4 and B:C = 2:5, then A:B:C =

    • A. 3:4:5
    • B. 6:8:20 (Correct)
    • C. 6:8:10
    • D. 3:2:5

    Explanation: Make B common: 3:4 and 4:10 become 6:8:20? Actually scale first ratio by 2 gives 6:8 and second by 4 gives 8:20.

  7. Statistics

    7. Average of first 8 natural numbers is:

    • A. 4
    • B. 4.5 (Correct)
    • C. 5
    • D. 5.5

    Explanation: Average of first n natural numbers is (n+1)/2.

  8. Statistics

    8. A and B invest in the ratio 4:1. Out of Rs. 500 profit, A gets:

    • A. Rs. 300
    • B. Rs. 350
    • C. Rs. 400 (Correct)
    • D. Rs. 450

    Explanation: A gets 4/5 of the total profit.

  9. Statistics

    9. Average of 5 numbers is 18. If one number 28 is removed, new average is:

    • A. 14
    • B. 15.5 (Correct)
    • C. 16
    • D. 16.5

    Explanation: Total = 90. Remaining total = 62. Divide by 4.

  10. Statistics

    10. If x:y = 5:7 and x = 25, then y =

    • A. 30
    • B. 35 (Correct)
    • C. 40
    • D. 45

    Explanation: One part = 5, so y = 35.

  11. Statistics

    11. Average of 6, 12, 18, 24 is:

    • A. 12
    • B. 14
    • C. 15 (Correct)
    • D. 16

    Explanation: Sum = 60, divide by 4.

  12. Statistics

    12. 7:9 :: 21:?

    • A. 24
    • B. 25
    • C. 26
    • D. 27 (Correct)

    Explanation: 7/9 = 21/x, so x = 27.

  13. Statistics

    13. Average of 2 numbers is 20 and average of 4 numbers is 15. Combined average is:

    • A. 16
    • B. 16.5
    • C. 16.67 (Correct)
    • D. 17

    Explanation: Total = 40 + 60 = 100, divide by 6 to get 16.67.

  14. Statistics

    14. A sum is shared in ratio 1:4. Larger share out of 250 is:

    • A. 180
    • B. 190
    • C. 200 (Correct)
    • D. 210

    Explanation: 4/5 of 250 = 200.

  15. Statistics

    15. A batsman scores 275 runs in 11 innings. Average score is:

    • A. 20
    • B. 22
    • C. 25 (Correct)
    • D. 27

    Explanation: 275/11 = 25.