3
Q:
A) 4!/2! | B) 3!/2! |
C) (4! x 3!) / 2! | D) 36 |
Answer: C) (4! x 3!) / 2!
Explanation:
Explanation:
ABACUS is a 6 letter word with 3 of the letters being vowels.
If the 3 vowels have to appear together, then there will 3 other consonants and a set of 3 vowels together.
These 4 elements can be rearranged in 4! Ways.
The 3 vowels can rearrange amongst themselves in 3!/2! ways as "a" appears twice.
Hence, the total number of rearrangements in which the vowels appear together are (4! x 3!)/2!