Correct option is A
Given:
Indra is 7th from the left.
Jaya is 5th from the right.
After they swap places, Jaya becomes19th from the right.
Solution:
Jaya moves to Indra's position and becomes 19th from the right.
Since that position is the 7th from the left, we can find the total number of people using this:
Left position + Right position - 1 = Total
7 (from left) + 19 (from right) - 1 = 25 people
Jaya was originally 5th from the right.
That position (from the left) is:
25 - 5 + 1 = 21st from the left
So, when they swap, Indra moves to Jaya’s position, which is the 21st from the left.
Thus, correct option is (a).
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