Which of the following is true?

1

(a)

1 million = 1000000

(b)

1 lakh = 10000

(c)

1crore=100000000

The greatest of the numbers 123, 27,650, 2342, 40000 is

1

(a)

40000

(b)

2342

(c)

27

(d)

650.

Using the digits 1, 5, 7, 2 without repetition, the greatest 4-digit number that can be made is

1

(a)

7521

(b)

7512

(c)

7215

(d)

7251

Using the digits 3, 5, 7, 0 without repetition the greatest 4-digit number that can be made is

1

(a)

7530

(b)

7503

(c)

7350

(d)

7305

Make the smallest 4-digit number by using anyone digit of 7, 0, 6 twice.

1

(a)

6007

(b)

6070

(c)

6700

(d)

None of these

What is the greatest number, you can get?

1

(a)

The greatest number we can get is 8753.

Which is the smallest number?

1

(a)

The smallest number is 3578.

Do you know the number of people in your state? How many digits would that number have?

1

(a)

Yes! my state is U.P. The number of people in my state is 20,00,00,000 approximately. This number has 9-digits.

What would be the number of grains in a sackfull of wheat? A 5-digit number, a 6-digit number or more?

1

(a)

The number of grains in a sack full of wheat will be a still more digit number.

Do you know what is India's population today? Try to find this too.

1

(a)

Today India's population is 1200 million.

Arrange the numbers 847, 9754, 8320, 571 in ascending order

2

(a)

Arrange the numbers 819, 5240, 890, 6249 in descending order.

2

(a)

Use the given digits without repetition and make the greatest and smallest 4-digit numbers. 1, 7, 6, 2.

2

(a)

Use the given digits without repetition and make the greatest and smallest 4-digit numbers. 5, 4, 0, 3.

2

(a)

Arrange the following numbers in ascending order and write the smallest number
3763214,18340217,984671,3790423,18431056

2

(a)

Make the greatest and the smallest 4-digit numbers by using anyone digit twice. 8, 5, 1.

3

(a)

Make the greatest and the smallest 4-digit numbers using any four different digits with conditions given below:
Digit 7 is always at one place

3

(a)

Think of five situations, where compare three or more quantities.

3

(a)

Arrange the following numbers in ascending order.
(a) 847, 9754, 8320, 571
(b) 9801, 25751, 36501, 38802

3

(a)

From the digits 3, 0 and 4, make five numbers each with 6-digits. Use commas.

3

(a)

Read and expand the numbers wherever there are blanks.

Number	Number name	Expansion
20000	Twenty thousands	2 \(\times\)10,000
26000	Twenty six thousands	2 \(\times\)10,000+6 \(\times\)1,000
38400	Thirty eight thousands four hundreds	3\(\times\)10,000+8 \(\times\)1,000+4\(\times\)100
65740	Sixty five thousands seven hundreds forty	6\(\times\)10,000+5\(\times\)1,000+7\(\times\) 100+4\(\times\) 10
89324	Eighty nine thousands three hundreds twenty four	8\(\times\)10,000+9\(\times\)1,000+3\(\times\) 100+2\(\times\) 10+4\(\times\)1
50000
41000
47300
57630
29485
29085
20085
20005

5

(a)

You have the digits 4, 5, 6, 0, 7 and 8. Using them, make five numbers each with 6-digits.
(a) Put commas for easy reading.
(b) Arrange them in ascending and descending orders.

5

(a)

Name five large cities in India. Find their population. Also, find the distance (in km) between each pair of these cities.

5

(a)