**Write the number names of the following in Indian system**

**(a) 2005624 (b) 732416 (c) 503302**

Answer:

(a) 20,05,624

Twenty lakhs five thousand six hundred twenty four

(b) 7,32,416

Seven lakhs thirty two thousand four hundred sixteen

(c) 5,03,302

Five lakhs three thousand three hundred two

**Write in numerals**

**(a) Sixty three lakhs twenty one thousand nine hundred and forty six.**

**(b) Two lakh three hundred and four.**

**(c) Seven hundred and two million nine hundred and thirty four thousands four hundred**

**and twenty.**

**(d) Two billion forty one million seventy nine thousand and sixty five.**

Answer:

(a) Sixty three lakhs twenty one thousand nine hundred and forty six.

63,21,946

(b) Two lakh three hundred and four.

2,00,304

(c) Seven hundred and two million nine hundred and thirty four thousands four hundred

and twenty.

702,934,420

(d) Two billion forty one million seventy nine thousand and sixty five.

2,041,079,065

**Find out:**

**(a) How many thousands are in a lakh?**

**(b) How many lakhs are in a million?**

**(c) How many millions are in a crore?**

**(d) How many millions are in a billion?**

Answer:

(a) How many thousands are in a lakh?

100 Thousands

(b) How many lakhs are in a million?

10 lakhs

(c) How many millions are in a crore?

10 millions

(d) How many millions are in a billion?

1000 millions

**How many thousands are in each of the following number?**

**(a) 3785 (b) 642135 (c) 7000000**

Answer:

(a) 3785

Three thousand

(b) 642135

Six hundred forty two thousand

(c) 7000000

Seven thousand thousand

**Write the numbers correspond to the following expanded forms :**

**(a) 3**

**×**

**10000 + 5**

**×**

**1000 + 2**

**×**

**100 + 6**

**×**

**10 + 4**

**(b) 2**

**×**

**10000 + 7**

**×**

**1000 + 5**

**×**

**10 + 3**

Answer:

(a) 3 × 10000 + 5 × 1000 + 2 × 100 + 6 × 10 + 4

35,264

(b) 2 × 10000 + 7 × 1000 + 5 × 10 + 3

27,053

**Write the following numbers in the expanded form :**

**(a) 25638 (b) 72804 (c) 600003**

Answer:

(a) 25,638

2 x 10000 + 5 x 1000 + 6 x 100 + 3 x 10 + 8

(b) 72,804

7 x 10000 + 2 x 1000 + 8 x 100 + 4

(c) 6,00,003

6 x 100,000 + 3

**Find the difference of the place values of two 5’s in 65354.**

Answer:

6

__5__,3__5__45 = Thousand

5 = Ten

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