Grade 7 : Mathematics (Ganita Prakash) - Large Numbers (Set 3)

Question 1

A satellite measures distance in space. The distance to a galaxy is 45,782,901,345kilometers.

Identify the place value of the digit '2' in the given number using the International System.

Accepted Answer

A) 2,000,000

Answer

B) 200,000,000

Answer

C) 20,000,000

Answer

D) 200,000

Question 2

Assertion (A): The number $10^{12}$ is equal to one billion in the International System. Reason (R): One billion is represented as $10^9$in the International System.

Select the correct option for A and R.

Accepted Answer

C) A is false, R is true.

Answer

A) Both A and R are true and R is the correct explanation of A.

Answer

B) Both A and R are true but R is not the correct explanation of A.

Answer

D) A is true, R is false.

Question 3

Calculate the difference between the largest 9-digit number and the smallest 8-digit number.

Accepted Answer

B) 989,999,999

Answer

A) 989,999,999

Answer

C) 899,999,999

Answer

D) 998,999,999

Question 4

What is the successor of 9,999,999,999?

Accepted Answer

A) 10,000,000,000

Answer

B) 10,000,000,001

Answer

C) 1,000,000,000

Answer

D) 99,999,999,999

Question 5

How many thousands make a crore?

Accepted Answer

D) 10,000

Answer

A) 100

Answer

B) 1,000

Answer

C) 1,000,000

Question 6

Express the number5 billion, 400million,20thousand in digits.

Accepted Answer

B) 5,400,020,000

Answer

A) 5,400,200,000

Answer

C) 54,000,020,000

Answer

D) 5,040,020,000

Question 7

Round off 4,582,391to the nearest ten thousand.

Accepted Answer

C) 4,580,000

Answer

A) 4,580,000

Answer

B) 4,590,000

Answer

D) 4,600,000

Question 8

Which of the following is equivalent to 1million?

Accepted Answer

A) 10 Lakhs

Answer

B) 1 Lakh

Answer

C) 100 Lakhs

Answer

D) 1 Crore

Question 9

If a product of two numbers is1,000,000and one number is1,000, what is the other number?

Accepted Answer

B) 1,000

Answer

A) 10

Answer

C) 100

Answer

D) 10,000

Question 10

Compare: 99,999,999vs10,000,001.

Accepted Answer

A) $99,999,999 	ext{ is larger.}$

Answer

B) $10,000,001 	ext{ is larger.}$

Answer

C) They are equal.

Answer

D) Comparison is impossible.

Question 11

The expanded form of60,402,005is:

Accepted Answer

C) $6 	imes 10^7 + 4 	imes 10^5 + 2 	imes 10^3 + 5$

Answer

A) $6 	imes 10^7 + 4 	imes 10^6 + 2 	imes 10^3 + 5$

Answer

B) $6 	imes 10^6 + 4 	imes 10^5 + 2 	imes 10^2 + 5$

Answer

D) $6 	imes 10^8 + 4 	imes 10^6 + 2 	imes 10^4 + 5$

Question 12

How many zeros are in one billion?

Accepted Answer

B) 9

Answer

A) 8

Answer

C) 10

Answer

D) 12

Question 13

Subtract $5,000,000 - 499,999$.

Accepted Answer

A) 4,500,001

Answer

B) 4,499,999

Answer

C) 4,500,000

Answer

D) 4,500,001

Question 14

Which number is the greatest?

Accepted Answer

C) 9,876,544

Answer

A) 9,876,543

Answer

B) 9,867,543

Answer

D) 9,876,539

Question 15

Arrange in ascending order:$10,000,001; 10,000,100; 10,001,000$.

Accepted Answer

B) 10,000,001 < 10,000,100 < 10,001,000

Answer

A) 10,001,000 < 10,000,100 < 10,000,001

Answer

C) 10,000,100 < 10,000,001 < 10,001,000

Answer

D) 10,001,000 < 10,000,001 < 10,000,100

Question 16

The number 7,205,300in words (International System) is:

Accepted Answer

D) 7 million 205 thousand 3 hundred

Answer

A) 72 Lakhs 5 thousand 3 hundred

Answer

B) 7 million 25 thousand 3 hundred

Answer

C) 72 million 5 thousand 3 hundred

Question 17

What is the sum of10,000,000and9,000,000?

Accepted Answer

A) 19,000,000

Answer

B) 1,900,000

Answer

C) 10,900,000

Answer

D) 190,000,000

Question 18

How many tens make a million?

Accepted Answer

C) 100,000

Answer

A) 10,000

Answer

B) 1,000

Answer

D) 1,000,000

Question 19

What is the smallest 7-digit number?

Accepted Answer

B) 1,000,000

Answer

A) 1,111,111

Answer

C) 9,999,999

Answer

D) 100,000

Question 20

If we insert commas in 87654321according to the Indian System, it becomes:

Accepted Answer

A) 8,76,54,321

Answer

B) 87,654,321

Answer

C) 876,543,21

Answer

D) 8,765,432,1

Set 10Grade 7 : Mathematics (Ganita Prakash) - Large Numbers