Multiple choice

The number of ways the letters of the word TRIANGLE can be arranged so that the word 'angle' will be always present is

  1. 20

  2. 60

  3. 24

  4. 32
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The word TRIANGLE has 8 distinct letters. If 'angle' must always be present as a contiguous unit, we treat it as one single entity. Then we arrange TRI (3 letters) + (angle) as 4 units, giving 4! = 24 arrangements. The letters within 'angle' stay in that fixed order.

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