UPSC · CSAT · Basic Numeracy

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01Medium · ✓ Verified answer

UPSC Civil Services CSAT practice check: Find the average of 20, 23, 26, 29 and 32.

  1. 29
  2. 26
  3. 24
  4. 28
Check answer and explanation +
B — 26

The five values are symmetric around 26; their sum is 130, and 130 ÷ 5 = 26. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Average; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
02Medium · ✓ Verified answer

UPSC Civil Services CSAT high-priority drill: Find the average of 21, 24, 27, 30 and 33.

  1. 27
  2. 25
  3. 29
  4. 30
Check answer and explanation +
A — 27

The five values are symmetric around 27; their sum is 135, and 135 ÷ 5 = 27. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Average; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
03Medium · ✓ Verified answer

UPSC Civil Services CSAT foundation revision: Find the average of 22, 25, 28, 31 and 34.

  1. 26
  2. 30
  3. 31
  4. 28
Check answer and explanation +
D — 28

The five values are symmetric around 28; their sum is 140, and 140 ÷ 5 = 28. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Average; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
04Medium · ✓ Verified answer

UPSC Civil Services CSAT speed-building set: Find the average of 23, 26, 29, 32 and 35.

  1. 31
  2. 32
  3. 29
  4. 27
Check answer and explanation +
C — 29

The five values are symmetric around 29; their sum is 145, and 145 ÷ 5 = 29. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Average; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
05Medium · ✓ Verified answer

UPSC Civil Services CSAT accuracy checkpoint: Find the average of 24, 27, 30, 33 and 36.

  1. 33
  2. 30
  3. 28
  4. 32
Check answer and explanation +
B — 30

The five values are symmetric around 30; their sum is 150, and 150 ÷ 5 = 30. The displayed answer was independently recomputed during publication.

Source: NCERT Mathematics Classes VI–X · Average; mapped to the published UPSC Civil Services CSAT quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.
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