In a row of boys, if A who is tenth from the left and B who is ninth from the right interchange their positions, A becomes 15th from the left. How many boys are there in the row?
A21
B23
C28
D32
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Comprehension:
Directions: Study the information given below and answer the question that follows.
Six boys A, B, C, D, E and F are marching in line. They are arranged according to their height, the tallest one being at the back and the shortest in front.
(i) F is between B and A
(ii) E is shorter than D but taller than C, Who is taller than A.
(iii) E and F have two boys between them
(iv) A is not the shortest among them all.
What is the position of E?
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