Which of the following is the largest number?

The largest number among the choices is correctly identified as 0.75. To understand why this is the case, it’s helpful to look at the values in decimal form and compare them directly.

0.25, which represents a quarter, is less than half of a whole. When we move to 0.5, this is equivalent to one half. Next, 0.75 represents three quarters, which is greater than both 0.25 and 0.5. Lastly, 0.1 signifies just a tenth of a whole, which is significantly smaller than all the other options presented.

When comparing these fractions in decimal form, 0.75 is the highest value among them, making it the largest number in the list. Understanding the magnitude of these decimals helps clarify their relative sizes and establishes that 0.75 ranks highest.