Finding Middle Value Simple Case
Finding Middle Value Simple Case
Finding Middle Value ( Simple Case): In these type of questions we are supposed to find the number of persons between to given persons. The values required to find the mid number :
Formula to find Mid Number (Simple Case): When total number is more than the addition of rank from both the end. Then such question is based as Mid number (Simple Case).
Mid No. (Simple Case) = = Total No. - (Rank of one person from one end + Rank of another person from another end).
Illustration: In a row of 51 girls, A is 15th from right end and B is 17th from left end. Then find how many girls are in between A and B ?
A. 19 B. 22 C. 25 D. 23 E. 30
Answer: A
Solution : Given - Rank of A from right = 15
Rank of B from left = 17
Total number of girls = 521
To Find : - How may girls are in between A & B ? Here, Total Number > Rank from Right + Rank from left.
Therefore it is a simple case Mid Number Question.
Formula : - Mid no. = Total no. - (Rank of A from Right + Rank of B from left)
Mid Number = 51 - (15 + 17)
51- 32
19
In a row of 30 women, Mrs. Arora is 5th from right end and Mrs. Khosla is 5th from left end. Then find how many women are in between Mrs. Arora and Mrs. Khosla ? | |||
| Right Option : D | |||
| View Explanation | |||
In a row of 60 persons, Rima is 24th from left end and Rita is 20th from right end. Find number of persons sitting between them. | |||
| Right Option : A | |||
| View Explanation | |||
In a row of 30 students, A is 5th from right end and B is 10th from left end. Then find how many girls are in between A and B ? | |||
| Right Option : D | |||
| View Explanation | |||
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