In how many ways can the letters of the word ‘ERGONOMICS’ be rearranged such that the vowels always appear together?

Option 1 : 6! /2! Option 2 : 6!*4! Option 3 : 7! /2!

**Option 4 : (7! * 4!)/2!**

Ques 142 : Choose the correct answer.

How many different four letter words can be formed (the words need not be meaningful) using the letters of the word PACIFIC such that the first letter is P and the last letter is F?

**Option 1 : 8** Option 2 : 3 Option 3 : 6 Option 4 : 7!/5!

Ques 143 : Choose the correct answer.

The value of 74P2 is

Option 1 : 2775 Option 2 : 150 **Option 3 : 5402** Option 4 : none of these

Ques 144 : Choose the correct answer.

In how many different ways can the letters of the word ‘ HARDWARE’ be arranged in such a way that the vowels always come together.

Option 1 : 120 **Option 2 : 1080** Option 3 : 1440 Option 4 : 4320 Option 5 : 720

Ques 145 : Choose the correct answer.

In how many ways a committee, consisting of 4 men and 10 women can be formed from 6 men and 10 women?

Option 1 : 266 Option 2 : 50 **Option 3 : 15 **Option 4 : 8640 Option 5 : none of these

Ques 146 : Choose the correct answer.

Out of 7 consonants and four vowels ,how many words of three consonants and 2 vowels can be formed?

Option 1 : 210 Option 2 : 1050 **Option 3 : 25200 **Option 4 : 21400 Option 5 : none of these

Ques 147 : Choose the correct answer.

3 books of mathematics and 5 books of physics are placed on a shelf so that the books on the same subject always remain together .The possible arrangements are .

**Option 1 : 1440 **Option 2 : 1956 Option 3 : 720 Option 4 : none of these

Ques 148 : Choose the correct answer.

The number of possible selections of one or more questions from 8 given questions, each question having an alternative, is

Option 1 : 28-1 **Option 2 : 38-1** Option 3 : 48-1 Option 4 : none of these

Ques 149 : Choose the correct answer.

A five -digit number divisible by 3 is to be formed using numerals 0,1,2,3,4 and 5 without repetition. The total number of ways this can be done is

**Option 1 : 216** Option 2 : 240 Option 3 : 600 Option 4 : 3125

Ques 150 : Choose the correct answer.

Let A be containing 10 distinct elements ,then the total number of distinct functions from A to A IS

Option 1 : 10! **Option 2 : 1010** Option 3 : 210 Option 4 : 210-1