RBI · Quantitative Aptitude

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Five questions to begin your revision

Open each answer only after choosing your own response.

01Medium · ✓ Verified answer

RBI recruitment practice check: Find the average of 48, 51, 54, 57 and 60.

  1. 57
  2. 54
  3. 52
  4. 56
Check answer and explanation +
B — 54

The five values are symmetric around 54; their sum is 270, and 270 ÷ 5 = 54. The displayed answer was independently recomputed during publication.

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

RBI recruitment high-priority drill: Find the average of 49, 52, 55, 58 and 61.

  1. 55
  2. 53
  3. 57
  4. 58
Check answer and explanation +
A — 55

The five values are symmetric around 55; their sum is 275, and 275 ÷ 5 = 55. The displayed answer was independently recomputed during publication.

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

RBI recruitment foundation revision: Find the average of 50, 53, 56, 59 and 62.

  1. 54
  2. 58
  3. 59
  4. 56
Check answer and explanation +
D — 56

The five values are symmetric around 56; their sum is 280, and 280 ÷ 5 = 56. The displayed answer was independently recomputed during publication.

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

RBI recruitment speed-building set: Find the average of 51, 54, 57, 60 and 63.

  1. 59
  2. 60
  3. 57
  4. 55
Check answer and explanation +
C — 57

The five values are symmetric around 57; their sum is 285, and 285 ÷ 5 = 57. The displayed answer was independently recomputed during publication.

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

RBI recruitment accuracy checkpoint: Find the average of 52, 55, 58, 61 and 64.

  1. 61
  2. 58
  3. 56
  4. 60
Check answer and explanation +
B — 58

The five values are symmetric around 58; their sum is 290, and 290 ÷ 5 = 58. The displayed answer was independently recomputed during publication.

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

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