In a queue, A is 17th
from the front while
Cis 20th from the
last. If B is 25th from
the front and is
exactly in the middle
of A and C, then the
number of people in
the queue is
]
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Given : In a queue, A is 17th from the front while Cis 20th from the
last . B is 25th from the front and is exactly in the middle of A and C
To Find : number of people in the queue
Solution:
A is 17th from front
B is 25th from front
B is exactly in middle of A and C
=> 25 = (17 + C)/2
=> C = 33th
C is 33th from front
Cis 20th from the last.
=> 32 person ahead of C
19 person behind C
One person is C
Total person = 32 + 1 + 19 = 52
52 people are in queue.
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