Question

how many lakhs make the following a.15 lakhs b.15 million c.2crore 2.does the place value of the digit 5 change when 3,45,62,117 is written in both indian and international number system?how?

Answer 1

1. 
a. 15 lakhs make 15 lakhs.

b. 15 million = 15,000,000
1 lakh = 1,00,000
So in 15 million, there are 150 lakhs.

c. 2 crore = 2,00,00,000
1 lakh = 1,00,000
So in 2 crore, there are 200 lakhs.

2. No, the place value of a number never change, no matter which system we use. It remains same. 
The place value doesn't depend on the system used. The system only helps in reading the number.
The place value of 5 in 3,45,62,117 is 500000 in both systems.

Answer 2

Answer:

1. 15 lakhs

2. 150 lakhs

3. 200 lakhs