How many 7-digit numbers are there in all?
Solution:
The largest 7-digit number = 9999999
The smallest 7-digit number = 1000000
Therefore, Total number of 7-digit numbers = (9999999 – 1000000)
= 8999999 + 1
= 9000000
= Ninety lakhs
How many thousands make a lakh?
Solution:
One lakh (1,00,000) is equal to one hundred thousand (100 x 1000).
Thus, one hundred thousand make a lakh.
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