Mathematics Q&A for Class 3
7 free answers in Mathematics for Class 3 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- MathematicsClass 3All
How many zeros in a billion?
In the numerical representation, a billion is written as 1,000,000,000. It consists of nine zeros. Each group of three zeros in the number represents a thousand, and there are three groups, making a total of nine zeros.
- MathematicsClass 3All
How many zeros in 1 million?
There are six zeros in 1 million. The numerical representation of 1 million is 1,000,000, which includes the digit 1 followed by six zeros.
- MathematicsClass 3All
How many zeros in a million?
A million has six zeros. In numerical terms, it is represented as 1 ,000,000 1,000,000. The number one million is composed of the digit 1 followed by six zeros.
- MathematicsClass 3All
Perimeter of Square
The perimeter of a square is calculated using the formula: Perimeter = 4 × side, where 'side' represents the length of one side of the square. Since a square has four equal sides by definition, you simply multiply the length of one side by four to get the total distance around the square. For example, if a square has sides of 5 cm, its perimeter is 4 × 5 = 20 cm. This simple formula derives from the basic definition of perimeter as the total length of all sides of a polygo
- MathematicsClass 3All
10000 in Words
Ten thousand is the correct way to write 10,000 in words. In the Indian numbering system, this can also be expressed as ten thousand or one lakh when considering larger denominations, though 10,000 specifically equals ten thousand. Writing numbers in words is important for various contexts including writing checks, legal documents, formal correspondence, academic papers, and any situation where clarity and preventing alteration of figures is crucial. Understanding place values helps w
- MathematicsClass 3All
Is 1999 even or odd
The number 1999 is odd. A number is odd if it cannot be divided evenly by 2, leaving a remainder of 1 when divided. Since 1999 ÷ 2 = 999.5 (or 999 with remainder 1), it clearly doesn't divide evenly, confirming its odd status. The simplest way to identify odd numbers is to look at the final digit: any number ending in 1, 3, 5, 7, or 9 is odd, while numbers ending in 0, 2, 4, 6, or 8 are even. Beyond this basic classification, 1999 has other interesting properties: it's a prime
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How many hours is 7:30 AM to 4:30 PM?
This is 9 hours. From 7:30 AM to 12:30 PM is 5 hours, and from 12:30 PM to 4:30 PM is another 4 hours, totaling 9 hours. This represents a typical full workday.