Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Statistics - Algebra - Mathematics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Statistics. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| COMEDK 2025 AFTERNOON SHIFT | 2025 | 1 | View paper |
| COMEDK 2025 EVENING SHIFT | 2025 | 1 | View paper |
| COMEDK 2025 Morning Shift | 2025 | 1 | View paper |
| COMEDK 2024 AFTERNOON SHIFT | 2024 | 1 | View paper |
| COMEDK 2024 EVENING SHIFT | 2024 | 1 | View paper |
| COMEDK 2024 MORNING SHIFT | 2024 | 1 | View paper |
| COMEDK 2023 EVENING SHIFT | 2023 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
Consider the first 10 natural numbers. If we multiply each number by \(-\)1 and add 1 to each number, the variance of the numbers so obtained is
Let 'P' be the mean deviation of the first five odd natural numbers about their mean and 'Q' be the mean deviation of the first five prime numbers about their mean. The \(Q-P=\)
The mean of five observations is 4 and their variance is 5.2 . If three of these observations are 1, 2 and 6, then the other two observations are
The mean of the numbers \(a, b, 8,5,10\) is 6 and the variance is 6.80 , then which of the following gives possible values of \(a\) & \(b\)