Aptitude Question:

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A cryptanalyst must translate into letters of all digits included in the following two lines of nine symbols each
9 3 3 4 5 6 6 6 7
2 2 3 3 4 4 5 7 8
The cryptanalyst has already determined some of rules governing the decoding
Rule 1-Each of the digits from 2 to 9 represents exactly one of the eight letters
A,E,I,O,U,R,S,T.
Rule 2-Each letter is represented by exactly one of the digits. If a digit occurs more than
once it represents the same letter on each occasion.
Rule 3-The letter T and the letter O are each represented exactly 3 times.
Rule 4-The letter I and the letter A are each represented exactly 2 times.
Rule 5-The letter E is represented exactly 4 times.
Based on above solve following Questions
Q1. If 9 represents vowel,it must represent which of following
Option 1- A
Option 2- E
Option 3- I
Option 4- O
Option 5- U
Q2. If 8 represents vowel which of the following must represent a consonant
Option 1- 2
Option 2- 4
Option 3- 5
Option 4- 7
Option 5- 9
Q3. If 2 represents R and 7 represents A, then 5 must represent
Option 1- I
Option 2- O
Option 3- S
Option 4- T
Option 5- U
Q4. Which of the following is a possible decoding of the five digit message 46536 ?
Option 1. O-T-A-E-T
Option 2. O-T-E-U-T
Option 3. O-O-S-E-O
Option 4. T-O-I-E-T
Option 5. T-O-R-E-T