Read the following information carefully and answer the questions that follow:
Aword-number arrangement machine, when given input as set of words and numbers, rearranges them following a particular rule and generates a stepwise output until the rearrangement is complete following that rule. Following is an illustration of the input and steps of rearrangement until the last step.
Input: Tokyo 7 Rio @ 5 Salva We
Step 1: Tokyo 7 Rio @ We 5 Salva
Step 2: Tokyo 7 Rio We @ 5 Salva
Step 3: 7 Rio @ We 5 Salva Tokyo
Step 4: Rio 7 @ We 5 Salva Tokyo
In addition, step 4 is the last step.
For the input, “Let 1 mail & check me and”, What is Step 4?

Seven boxes, B, D, E, P, S, T and W, are kept one over the other but not necessarily in the same order. Only two boxes are kept below B. Only one box is kept above W. Only one box is kept between W and E. T is kept immediately above S. P is kept at some place below D. How many boxes are kept between D and T?

Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). Counting to be done from left to right only.
(Left) 9 3 8 9 8 9 3 4 4 4 5 1 2 3 6 8 3 2 9 6 2 9 1 4 9 2 1 (Right)
How many such odd numbers are there, each of which is immediately preceded by an even number and also immediately followed by an even number?

Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). Counting to be done from left to right only.
(Left) 8 5 1 7 3 5 2 8 7 6 9 8 (Right)
How many such odd numbers are there, each of which is immediately preceded by an odd number and also immediately followed by an even number?

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers.
(Left) % 4 6 1 * @ 8 $ 7 & Ω 9 # 2 + 3 £ 5 (Right)
How many such symbols are there, each of which is immediately preceded by a number and also immediately followed by another number?

Seven boxes, B, D, E, P, S, T and W, are kept one over the other but not necessarily in the same order. Only two boxes are kept below B. Only one box is kept above W. Only one box is kept between W and E. T is kept immediately above S. P is kept at some place below D. How many boxes are kept between D and T?

Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). Counting to be done from left to right only.
(Left) 9 3 8 9 8 9 3 4 4 4 5 1 2 3 6 8 3 2 9 6 2 9 1 4 9 2 1 (Right)
How many such odd numbers are there, each of which is immediately preceded by an even number and also immediately followed by an even number?

Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). Counting to be done from left to right only.
(Left) 8 5 1 7 3 5 2 8 7 6 9 8 (Right)
How many such odd numbers are there, each of which is immediately preceded by an odd number and also immediately followed by an even number?

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers.
(Left) % 4 6 1 * @ 8 $ 7 & Ω 9 # 2 + 3 £ 5 (Right)
How many such symbols are there, each of which is immediately preceded by a number and also immediately followed by another number?