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 40 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 ? | |||
| Right Option : C | |||
| View Explanation | |||
Along a road side there are 20 trees in a row, The mango tree is 5th from right end and neem tree is 10th from left end. Then find How many trees are in between mango tree and neem tree? | |||
| 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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