Class 12 Informatics practice
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Next quiz Wednesday at 21:00
| 2 | Q10/10: What will be the output of MOD(11, 3)? | 7 |
| 3 | Q9/10: What does the COUNT(*) function do? | 5 |
| 4 | Q8/10: Which clause is used to filter records after applying aggregate functions? | 4 |
| 5 | Q7/10: Which SQL clause is used to sort the result-set? | 4 |
| 6 | Q6/10: Which of the following is considered an aggregate function? | 4 |
| 7 | Q5/10: Which function returns both the current date and time in MySQL? | 5 |
| 8 | Q4/10: What is the output of the function ROUND(15.72, 1)? | 5 |
| 9 | Q3/10: Which string function is used to convert all characters to uppercase? | 5 |
| 10 | Q2/10: What does the POWER(X, Y) function do in MySQL? | 6 |
| 11 | Q1/10: Which of the following is a DDL command in MySQL? | 6 |
| 12 | ✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
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Good luck! | 6 |
| 13 | 🎉 Quiz Finished! 🎉
Thank you for participating.
Keep learning, keep growing, and come back tomorrow for more questions!
Free Premium PDFs: acadpills.com/premium
Next quiz Sunday at 21:00 | 23 |
| 14 | Q10/10: HOTS: What does df.apply(np.max, axis=1) compute? | 23 |
| 15 | Q9/10: Assertion: DataFrame.fillna(0) modifies the original DataFrame permanently. Reason: To modify the original object, inplace=True must be used. | 19 |
| 16 | Q8/10: HOTS: What will df.loc['A':'C'] return if the DataFrame index is ['A', 'B', 'C', 'D']? | 18 |
| 17 | Q7/10: Which parameter in df.to_csv() prevents the row index from being written to the output file? | 13 |
| 18 | Q6/10: How do you save a PyPlot figure to an image file like PNG? | 11 |
| 19 | Q5/10: What is the output of df.tail(-3) if df has exactly 5 rows? | 10 |
| 20 | Q4/10: Assertion: .iloc[] can be used to slice a DataFrame using string labels. Reason: .iloc[] is purely integer-location based indexing. | 10 |
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