Read the following Passage and answer the questions based on it.
There are six members in a family. One couple has parents and their children in the family. Arjun is the son of Raju and Elamathi is the daughter of Arjun. Divya is the daughter of Rani who is the mother of Elamathi and Banu is the mother of Arjun. 

How many female members in the family?

Study the following information carefully and answer the questions given below- A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement. (Single digit numbers are preceded by a zero. All other numbers are two digit numbers)
Input : good 18 to raise 02 12 money 28 for 57 charity 09.
Step I : to good 18 raise 02 12 money 28 for charity 09 57.
Step II : to raise good 18 02 12 money for charity 09 28 57.
Step III : to raise money good 02 12 for charity 09 18 28 57.
Step IV : to raise money good 02 for charity 09 12 18 28 57.
Step V : To raise money good for charity 02 09 12 18 28 57.
Step VI : is the last step of the arrangement of the above input as the intended arrangement is obtained. 

Directions: These questions are based on the following input-
Input : 50 62 tips on 67 haw can 42 stay young 17 89 forever
Which of the words/numbers below would be at the fifth position (from the right end) in Step V of the input? 

The position of how many digits in the number 6147982 will remain same after the digits within the number are arranged in descending order? 

Seven friends P, Q, R, S, T, U and V, each has a different age. P is older than only U and R. R is older than U. Q is older than S but younger than T. T is not the oldest among all. The age of how many persons is between the ages of Q and R?

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. 

Select the related word/letters/number from the given alternatives.

JS : QH : : VW : ?

Directions: Study the following arrangement carefully and answer the questions given below—
1 R Z T 4 A 9 $ D F 1 U # B # 8 H I © X M H 3 2 P $ 5 N P 6 D

How many such vowels are there in the above arrangement, each of which is immediately followed by a symbol?

Find the related words.
$$ {L\over S}:{12\over 19}::{I\over T}:?$$