Number of ways in which 4 boys and 2 girls (all are of different heights) can be arranged in a line so that boys as well as girls among themselves are in decreasing order of height (from left to right), is
A
1
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B
6!
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C
15
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D
None of these
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Solution
The correct option is A 1 Thereisonlyonewayforthistobeposible.