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In a row of girls, Anita is 7th from the left and Babita is 12th from the right. After they swap, Anita becomes 22nd from the left. How many girls are in the row?
A35
B33
C32
D30
Answer & Solution
Correct answer: B. 33
1. After swap, Anita takes Babita's position; Babita was 12th from right.
2. Anita is now 22nd from left and 12th from right.
3. Total = (position from left) + (position from right) - 1 = 22 + 12 - 1.
4. = 33.
_Source: ICAI BoS Foundation Paper 3, Ch 11 'Seating', p.3_
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