Question

Mani is thirteenth from the top and twenty seventh from the bottom in a queue. How many persons are there in the queue?​

Answer 1

Answer:

When she is the thirteenth from the beginning of the queue, It means 12 people are ahead of her and when she is the 27th from the bottom it means there are 26 people behind her.

12+26+1=39 people

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Answer 2

Number of persons in queue are 39.

Given:

• Mani is thirteenth from the top, and
• Twenty seventh from the bottom in a queue.

To find:

• How many persons are there in the queue?

Solution:

Concept to be used:

• In such questions the person who's rank is given from top and from bottom; counted twice.
• To find number of persons in the queue, add both ranks and subtract one.

Step 1:

Write the given ranks.

Mani's position form top: 13

Mani's position from bottom: 27

Step 2:

Find number of persons in the queue.

Number of person in the queue

$= 13 + 27 - 1$

or

$= 40 - 1$

or

Number of persons in queue are 39.

Thus,

Number of persons in queue are 39.

Learn more:

1) aruna ranks 12th in a class of 46 what will be her rank from last ?

a)33

b)34

c)35

d)37

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2) Find the 15th term from end for AP, 10, 15, 20, 25, 30,..., 1000.

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