In how many different ways can the letters of the word ‘OPTICAL’ be arranged so that the vowels always come together?

Related Mcqs:

A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected, if it should have 5 seniors and 5 juniors?

A. ¹²C₅ * 10 B. ¹²C₇ * 10 C. ¹²C₇ * ¹⁰C₅ D. 12 * ¹⁰C₅...

A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior?

A. ²²C₁₀ B. ²²C₁₀ + 1 C. ²²C₉ + ¹⁰C₁ D. ²²C₁₀ – 1...

Twelve people from a club, by picking lots. One of them will host a dinner for all once in a month. The number of dinners a particular member has to host in one year is________?

A. One B. Zero C. Three D. Cannot be determined...

How many four digit numbers can be formed using the digits {1, 3, 4, 5, 7,9}(repetition of digits is not allowed)?

A. 360 B. 60 C. 300 D. 180...

How many four digit even numbers can be formed using the digits {2, 3, 5, 1, 7, 9}

A. 60 B. 360 C. 120 D. 240...