Question
In a row of girls, Nikita is 25th from the
left and Varsha is 33rd from the right. If they interchange their positions, then Nikita becomes 28th from the left. Then at what position will Varsha be from the right?Solution
In a row of girls, Nikita is 25th from left and Varsha is 33rd from the right 
= Number of girls Nikita from left – Old position of Nikita from left = 28 – 25 = 3 Therefore, New position of Varsha from right = 33 + 3 = 36th
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