chart of place value
thous hund  tens  ones
1        0         0      0

Hundred is $\dfrac{1}{10}$ less than thousand
Similarly, tens is $\dfrac{1}{10}$ less than hundred
So, the required answer is $\dfrac{1}{10}$

The place value of 6 here is 600.

1 lakh $ = 100 $ thousand

Since $ 1,00,000 = 100 \times 1,000 $

Commas are inserted in a number after each period.
Option C is correct.

Numeral for sixteen crore four lakh fifty thousand three hundred ten is 16,04,50,310
Option B is correct.

Place value determines the value of a digit in a number, based on the location of the digit.
$\therefore $ place value of '7' in the number $710, 621, 684 = 700,000,000$

TC   C   TL  L  TTH  TH  H  T  U

(B) Ones, tens, hundreds places are in the ones period.

(D) Millions, Ten millions and hundred millions comes under millions period.

(B) M  HTh   Th  Th

$\therefore$   Place value of $3$ in $31005660$ is $3\,crores$.

73 crores..

As 6 is in thousands place , its place value is 6000

$200*25=5000$

The place value of zero (0) is always 0. It may hold any place in a number, it's value is always 0. As, in 105, 350, 42017, 90218 the place value of 0 in each number is 0. Likewise, the place value of 0 in 3402894 is 0.

correct option is A..

A place value chart can help us in finding and comparing the place value of the digits in numbers through millions. 

From left to right  the place value of the number decreases by 1/10.

A place value chart helps us to recognize large numbers. 

Place of 3 in 30,25,69,214 is ten crores

(a) Place value of $3$ in number $27543765$ is $3000$
(b) Place value of $6$ in number $6734591$ is $6000000$ which is predecessor of $6000001$
(c) In the number $1876523$, place value of $1$ is $1000000$
(d) Place value of $5$ in $7658321$ is $50000$ which is successor of $49999$.

Mlns     hth tthous thous     hund tens ones
8            5    2        3             6       1       5

So, the place value of 3 is thousands

The digit in units place is $x$

${ x }^{ 2x }-{ 2x }^{ x }coty-1=0.$ ...............[1]

As we know the number system value increases by $10$times as we from right to left.

Given, ten's place digit $= t$ and one's place digit $= u$
Two digit number $= 10\times$ten's place digit+one's place digit
                             $= 10t+u = tu$

Place value of a digit depends on the place of the digit in the number, while the face value is same as the digit itself. 

Face value of a digit is the digit itself.
So, Face value of $ 4 $ in $ 408, 356, 112 $ is $ 4 $.

Placing 1 after two digit number is the indication that,

Ten lakhs & lakhs places are in
the lakhs period

As we know that $10$ lakh $= 1$ million.

According to the indian number system the places of the number is 

$1$ lakh $1,00,000= 100$ thousand. 

By using Indian number system, the value of $3$ is $3$ lakhs which can be also written as $300$ thousand. 

Place value of 3 is 3,00,000
Place value of 7 is $\displaystyle \frac{-7,000}{2,93,000}$

$2$ tens means 20

Place value of a digit increases by $10$ times as the digit moves from the right to the left place by one place.

Three seventh means the 3rd part of the total seven parts

Place value chart is extended on the $right$ side to provide place for fractions.

The fractional part of $\dfrac{5}{11}$ can be expressed in words as

Unit's digit of $36^{1001}$ will be $6$

By Indian Number System, the number $190216536$ can be written as