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This mock test of Test: Knowing Our Number - 1 for Class 6 helps you for every Class 6 entrance exam.
This contains 20 Multiple Choice Questions for Class 6 Test: Knowing Our Number - 1 (mcq) to study with solutions a complete question bank.
The solved questions answers in this Test: Knowing Our Number - 1 quiz give you a good mix of easy questions and tough questions. Class 6
students definitely take this Test: Knowing Our Number - 1 exercise for a better result in the exam. You can find other Test: Knowing Our Number - 1 extra questions,
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QUESTION: 1

When 1 is added to the greatest 3-digit number, what is the result?

Solution:

- We know that the greatest 3-digit number is
**999**. - When one is added to the greatest 3-digit number we get the
**smallest 4-digit number**i.e.,

► 999 + 1 = 1000 - So option
**D**is the correct answer.

QUESTION: 2

When 1 is added to the greatest 2-digit number, what is the result?

Solution:

We know that the greatest 2 digit number is 99.

When 1 is added to greatest 2 digit number i.e,

► 99 + 1 = 100

we get smallest 3 digit number.

So option A is the correct answer.

QUESTION: 3

Which is the greatest and the smallest 4 digit number?

Solution:

- The greatest 4 digit number is
**9999**and the smallest 4 digit number is**1000**. - So option
**C**is the correct answer.

QUESTION: 4

When 1 is subtracted from the smallest 5-digit number, what is the result?

Solution:

- The smallest 5 digit number is
**10,000**. On subtracting 1 from the smallest 5-digit number,

► 10,000 - 1 = 9999 - 9999 is the
**greatest 4 digit number**. So Option**C**is the correct answer.

QUESTION: 5

When 1 is subtracted from smallest 4-digit number, what is the result?

Solution:

The smallest 4-digit number is 1000

On subtracting 1 from smallest 4-digit number , we get

► 1000 - 1 = 999

which is greatest 3 digit number.

So Option A is the correct answer.

QUESTION: 6

When 1 is subtracted from smallest 3-digit number what is the result?

Solution:

We know, smallest 3 digit number is 100

On subtracting 1 from smallest 3 digit number

We get,

► 100 -1 = 99

which is greatest 2 digit number.

So option C is the correct answer.

QUESTION: 7

Expand the number 500428.

Solution:

__500428 in expanded form will be:__

► 500428 = 500000 + 400 + 20 + 8

That is **five lakh four hundred twenty eight**.

QUESTION: 8

Expand the number 345600.

Solution:

345600 in expanded form will be :

► 345600 = 300000 + 40000 + 5000 + 600

i.e. Three lakh forty five thousand six hundred.

QUESTION: 9

Expand the number 204560.

Solution:

► 204560 = 2,00,000 + 4,000 + 500 + 60

i.e, Two lakh four thousand five hundred sixty.

Therefore, Option A is the correct answer

QUESTION: 10

Expand the number 987500.

Solution:

987500 in expanded form will be :

► 987500 = 900000 + 80000 + 7000 + 500

i.e, nine lakh eighty-seven thousand five hundred

QUESTION: 11

If we add 1 more to the greatest 6-digit number we get

Solution:

Greatest 6-digit number is 999,999

On adding 1 to greatest 6-digit number we get,

► 999,999 + 1 = 1000000

i.e, smallest 7-digit number.

So, option C is the correct answer.

QUESTION: 12

If we add 1 more to the greatest 5-digit number we get

Solution:

Greatest 5-digit number is 99999

On adding 1 to greatest 5-digit number we get

► 99999 + 1 = 10,0000

which is smallest 6 digit number .

So option D is the correct answer.

QUESTION: 13

If we add 1 more to the greatest 4-digit number we get

Solution:

The greatest 4-digit number is 9999 on adding 1 to greatest 4-digit number we get

► 9999 + 1 = 10,000

which is smallest 5 digit number.

So option A is the correct answer.

QUESTION: 14

If we add 1 more to the greatest 3-digit number we get

Solution:

As the greatest 3-digit number is 999

So on adding 1 to greatest 3-digit number

We get ,

► 999 + 1 = 1000

which is smallest 4 digit number .

So option A is the correct answer.

QUESTION: 15

If we add 1 more to the greatest 2-digit number we get

Solution:

The greatest 2-digit number is 99

on adding 1 to the greatest 2-digit number we get,

► 99 + 1 = 100

which is smallest 3 digit number.

QUESTION: 16

The smallest 8 digit number is called ______.

Solution:

- The largest 7-digit number is
**99,99,999**. - The successor of 99,99,999

= 99,99,999 + 1 = 1,00,00,000. - So,
**1,00,00,000**is the smallest 8-digit number which is called**one crore**.

QUESTION: 17

One crore is similar to

Solution:

100 lakhs (or 1 crores) is therefore equal to 10 million.

QUESTION: 18

Write the numeral for the number Nine crore five lakh forty one.

Solution:

The numeral for the number Nine crore five lakh forty-one is:

► 9,00,00,000 + 5,00,000 + 40 + 1 = 90500041

QUESTION: 19

1 million is equal to how many lakhs?

Solution:

**1 million** = 1,000,000 which is equal to **10 lakhs**.

QUESTION: 20

The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is

Solution:

We have to find the least number that is divisible by all numbers from 1 to 10.

∴ LCM (1 to 10) = 2^{3} × 3^{2} × 5 × 7

= 2520

Thus, 2520 is the least number that is divisible by every element and is equal to the least common multiple.

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