**1. What is the place value of the digit 5 in the number 9,542,763?**

a) 500

b) 50,000

c) 500,000

d) 5,000,000

**Answer:** c) 500,000

**Explanation:** The digit 5 is in the hundred thousand places, which means its value is 5 x 100,000 = 500,000.

**2. Which of the following is equivalent to 1 billion?**

a) 10,000,000

b) 100,000,000

c) 1,000,000,000

d) 10,000,000,000

**Answer:** c) 1,000,000,000

**Explanation:** 1 billion is equal to 1,000,000,000 or 10^{9}.

**3. How many zeroes are in the number 1 quintillion?**

a) 15

b) 18

c) 21

d) 24

**Answer:** b) 18

**Explanation:** 1 quintillion has 18 zeroes, as it is equal to 10 to the power of 18.

**4. What is the place value of the digit 6 in the number 73,986,452?**

a) 6

b) 60

c) 600

d) 6,000

**Answer:** d) 6000

**Explanation:** In the International system of numeration, the value of a digit depends on its place value. The digit 6 is in the Thousands place, so its value is 6 multiplied by 1,000, which is 6,000.

**5. Which number is equivalent to nine hundred twenty-five thousand six hundred four?**

a) 925,604

b) 925,064

c) 925,604,000

d) 9,256,004

**Answer:** a) 925,604

**Explanation:** In the International system of numeration, nine hundred twenty-five thousand is written as 925,000.

Therefore, the number is 925,000 + 604 = 925,604.

**1. Which of the following is not a place value in the International system of numeration?**

a) Ones

b) Lakhs

c) Hundreds

d) Million

**Answer:** b) Lakhs

**2. Write 648,340,021 in the International numeration system.**

a) Six hundred forty-eight billion three hundred forty-hundred twenty-one

b) Six hundred forty-eight billion three hundred forty-thousand twenty-one

c) Six hundred forty-eight million three hundred forty-thousand twenty-one

d) One billion

**Answer:** c) Six hundred forty-eight million three hundred forty-thousand twenty one

**3. Which number is equivalent to forty-five million six hundred seventy-eight thousand nine hundred ten?**

a) 45,678,910

b) 4,36,78,910

c) 45,67,89,110

d) 4,56,78,91,000

**Answer:** a) 45,678,910

**4. Which of the following is the correct way to write 250000 in the international system of numeration?**

a) 250,000

b) 2,5000

c) 2,50,000

d) 25,0000

**Answer:** a) 250,000

**5. What is the place value of the digit 8 in the number 6,723,958,437?**

a) 8

b) 80

c) 800

d) 8,000

**Answer:** d) 8,000

**6. What is the next number after 999,999,999?**

a) 1,000,000,000

b) 1,000,000,001

c) 1,000,000,010

d) 1,000,000,100

**Answer:** a) 1,000,000,000

**7. Which of the following is equivalent to 1 trillion?**

a) 10,000,000,000

b) 100,000,000,000

c) 1,000,000,000,000

d) 10,000,000,000,000

**Answer:** c) 1,000,000,000,000

**8. What is the place value of the digit 6 in the number 6,872,415?**

a) 6 Ones

b) 6 Tens

c) 6 Hundreds

d) 6 Million

**Answer:** d) 6 Millions

**9. Which of the following is the correct representation of the number 1.23 x 109 ^{9} in the international number system?**

a) 1,230,000,000

b) 12,300,000

c) 123,000,000

d) 1,230,000

**Answer:** a) 1,230,000,000

**10. Which of the following is the correct representation of the number 3427589 in the international number system?**

a) 34,2758,9

b) 3,427,589

c) 3427,58,9

d) 34,275,89

**Answer:** b) 3,427,589

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