FST Class 2023- Quiz 8

Which JavaScript object provides mathematical functions and constants?

• `Math`

• `Calc`

• `Arithmetic`

• `Number`

What is the value of `Math.PI` in JavaScript?

• Approximately 3.14

• Approximately 2.71

• Approximately 1.61

• Exactly 3

To find the nearest integer greater than or equal to a given number `x`, you can use:

• `Math.ceil(x)`

• `Math.floor(x)`

• `Math.round(x)`

• `Math.min(x)`

Which `Math` method is used to calculate the square root of a number?

• `Math.sqrt(x)`

• `Math.squareRoot(x)`

• `Math.pow(x, 0.5)`

• `Math.square(x)`

How can you generate a random integer between 1 and 100 (inclusive) in JavaScript using the `Math` object?

• `Math.random(1, 100)`

• `Math.floor(Math.random() * 100) + 1`

• `Math.random() * 100 + 1`

• `Math.ceil(Math.random() * 100)`

What does the JavaScript `Date` object represent?

• A specific time and date

• Mathematical calculations

• A string of characters

• A conditional statement

Which of the following is the correct way to create a `Date` object representing the current date and time?

• `new Date()`

• `Date.now()`

• `Date.current()`

• `new Date.now()`

To get the month (0-11) from a `Date` object, you can use the method:

• `getMonth()`

• `month()`

• `getMonthIndex()`

• `date.getMonth()`

How do you set the year of a `Date` object to 2022?

• `date.setYear(2022)`

• `date.year = 2022`

• `date.setFullYear(2022)`

• `date.year(2022)`

Which `Date` method is used to retrieve the day of the week (0-6) from a `Date` object?

• `getDate()`

• `getDay()`

• `dayOfWeek()`

• `date.getDay()`