HPSAT · Reasoning Ability

Number Series questions with answers

Build accuracy with explanation-led practice, then open a focused search or timed exam drill.

PRACTICE PREVIEW

Five questions to begin your revision

Open each answer only after choosing your own response.

01Hard · ✦ AI-labelled practice

HPPSC Assistant Professor foundation practice set 1: What is the next term in 11, 13, 15, 17, 19, ?

  1. 19
  2. 23
  3. 25
  4. 21
Check answer and explanation +
D — 21

Each term increases by 2. Continuing the same constant difference after 19 gives 19 + 2 = 21. The numerical key was independently recomputed during batch preparation.

Source: NCERT foundational numeracy and reasoning practice · mapped to HPPSC Assistant Professor; original syllabus-aligned practice, not a previous-year question; answer independently recomputed.
02Hard · ✦ AI-labelled practice

HPPSC Assistant Professor foundation practice set 2: What is the next term in 12, 15, 18, 21, 24, ?

  1. 30
  2. 33
  3. 27
  4. 24
Check answer and explanation +
C — 27

Each term increases by 3. Continuing the same constant difference after 24 gives 24 + 3 = 27. The numerical key was independently recomputed during batch preparation.

Source: NCERT foundational numeracy and reasoning practice · mapped to HPPSC Assistant Professor; original syllabus-aligned practice, not a previous-year question; answer independently recomputed.
03Hard · ✦ AI-labelled practice

HPPSC Assistant Professor foundation practice set 3: What is the next term in 13, 17, 21, 25, 29, ?

  1. 41
  2. 33
  3. 29
  4. 37
Check answer and explanation +
B — 33

Each term increases by 4. Continuing the same constant difference after 29 gives 29 + 4 = 33. The numerical key was independently recomputed during batch preparation.

Source: NCERT foundational numeracy and reasoning practice · mapped to HPPSC Assistant Professor; original syllabus-aligned practice, not a previous-year question; answer independently recomputed.
04Hard · ✦ AI-labelled practice

HPPSC Assistant Professor foundation practice set 4: What is the next term in 14, 19, 24, 29, 34, ?

  1. 39
  2. 34
  3. 44
  4. 49
Check answer and explanation +
A — 39

Each term increases by 5. Continuing the same constant difference after 34 gives 34 + 5 = 39. The numerical key was independently recomputed during batch preparation.

Source: NCERT foundational numeracy and reasoning practice · mapped to HPPSC Assistant Professor; original syllabus-aligned practice, not a previous-year question; answer independently recomputed.
05Hard · ✦ AI-labelled practice

HPPSC Assistant Professor foundation practice set 5: What is the next term in 15, 21, 27, 33, 39, ?

  1. 39
  2. 51
  3. 57
  4. 45
Check answer and explanation +
D — 45

Each term increases by 6. Continuing the same constant difference after 39 gives 39 + 6 = 45. The numerical key was independently recomputed during batch preparation.

Source: NCERT foundational numeracy and reasoning practice · mapped to HPPSC Assistant Professor; original syllabus-aligned practice, not a previous-year question; answer independently recomputed.
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