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PERMUTATIONS AND COMBINATIONS — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSPERMUTATIONS AND COMBINATIONS1 Mark
MCQ
Arrange the given words in the sequence in which they occur in the dictionary and then choose the correct sequence. 1.Page 2.Pagan 3.Palisade 4.Pageant 5.Palate
  • A
    1, 4, 2, 3, 5
  • B
    2, 4, 1, 3, 5
  • ✓
    2, 1, 4, 5, 3
  • D
    1, 4, 2, 5, 3
✓

Answer

Correct option: C.
2, 1, 4, 5, 3
Words 1, 2 and 4 have first 3 letter as pag and words 3 and 5 have first 3 letters as pal.
So words starting with pal will come later than words starting with pag as in Alphabet set the letter g comes after letter a.
The fourth letter of word 5 is a and of word 3 is i hence word 3 will be the last in order.
So choice A and B are incorrect and the answer will be either C or D.
Simply arranging the 4th letter of words 1, 2 and 4 will give the correct sequence choice as C.

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