In each of the following questions, five words are given. Which of them will come in the middle if all of them are arranged alphabetically as in a dictionary?

Arrange the following words in logical order -

1. Embryo 2. Child 3. Child 4. Adult 5. Youth

Directions: Study the following information carefully and answer the given questions.
When a word and number arrangement machine is given an input line of words and numbers, it arranges them following a particular rule. The following is an illustration of input and rearrangement.
(All the numbers are two-digit numbers.)
Input  : 69 ideal 29 camp 92 animal 55 steel 48 junior easy 17 73 uniform
Step-I: animal 69 ideal 29 camp 92 55 steel 48 junior easy 73 uniform 17
Step-II:animal 92 69 ideal 29 camp 55 48 junior easy 73 uniform steel 17
Step-III:animal 92 easy 69 ideal camp 55 48 junior 73 uniform 29 steel 17
Step-IV:animal 92 easy 73 69 ideal camp 55 48 uniform junior 29 steel 17
Step-V:animal 92 easy 73 ideal 69 camp 55 uniform 48 junior 29 steel 17
Step-VI:animal 92 easy 73 ideal 69 55 uniform camp 48 junior 29 steel 17
Step-VII:animal 92 easy 73 ideal 69 uniform 55 camp 48 junior 29 steel 17
Input: 57 computer 33 index 65 economy 46 notes 14 prepare 98 environment teacher 85

How many numbers are there between ‘environment’ and ‘notes’ in step-IV?

Find the number of triangles in the given figure

Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
 7 : 13 :: 16 : 31 :: 46 : ?

What will be the difference between the first digit of the highest number as well as of the lowest number after the positions of the first two digits in each number of the following series 738, 429, 156, 273, 894 are reversed?

If ‘Mango, lemon and melon are fruits’ is written as 439516; ‘Mango and lemon are yellow’ is 04396 and ‘Melon is green’ is 857, which digit represents ‘melon’?

If the code for MOTHER is JRQKBU then what is the code for PRINCIPAL?