The place value of 3 in 213456 in Indian number system is

What is the sum of the place value of 3 in the number 193453 ?

The place value of 6 in 5543684 in Indian number system is

The place value of 6 in 3456789 in Indian number system is

Which digit in the number 9762531 has a place value of lakhs?

Which of the following is not a valid number?

Arrange the following in descending order:

CLXXXI, CCXVIII, CXXXIX, LXVII

Adding 23 to the product of 11 and 3. Which one of the following is correct for the arrangement of given statement using brackets ?

Which of the roman numeral is correct.

Fill in the blank:

_________________________/XLIX=LXI