ACT English Practice

Front

What is Sudoku?

Back

Sudoku is a logic-based number placement puzzle that consists of a 9x9 grid divided into 3x3 subgrids, where the objective is to fill the grid with numbers from 1 to 9 without repeating any number in each row, column, or subgrid.

Front

What is the process of elimination in Sudoku?

Back

The process of elimination in Sudoku involves deducing which numbers can or cannot be placed in certain cells based on the existing numbers in the same row, column, or subgrid.

Front

What does it mean to 'attack' a Sudoku puzzle?

Back

To 'attack' a Sudoku puzzle means to approach it strategically, using logic and deduction to solve it rather than guessing.

Front

What is the significance of the number 4 in a Sudoku row?

Back

If a row already contains the number 4, that row cannot contain another 4, which helps in eliminating possibilities for other cells.

Front

What is the correct placement of an underlined portion in a sentence?

Back

The correct placement of an underlined portion depends on the context and grammatical structure of the sentence, ensuring clarity and coherence.

Front

What does 'NO CHANGE' mean in the context of editing sentences?

Back

'NO CHANGE' indicates that the original wording of the sentence is correct and does not require any modifications.

Front

What is the role of punctuation in sentence structure?

Back

Punctuation helps clarify meaning, indicate pauses, and separate ideas within a sentence, affecting its overall readability.

Front

What is a nine-by-nine grid in Sudoku?

Back

A nine-by-nine grid in Sudoku consists of 81 individual cells arranged in 9 rows and 9 columns, forming the playing field for the puzzle.

Front

What is the importance of keeping or deleting sentences in writing?

Back

Deciding to keep or delete sentences is crucial for maintaining clarity, relevance, and conciseness in writing, ensuring that every sentence contributes to the overall message.

Front

What does it mean for a number to appear only once in each row and column in Sudoku?

Back

It means that each number from 1 to 9 must be placed in such a way that it does not repeat in any row or column, which is a fundamental rule of Sudoku.