Permutation

Q.

Differentiate Between DDL And DML Commands With Example.

Q. In how many different ways can the numbers '256974' be arranged, using each digit only once in each arrangement, such that the digits 6 and 5 are at the extreme ends in each arrangement?

1. 48
2. 720
3. 36
4. 360
5. None of these

Q.

There are 15 yes or no questions. How many ways can these be answered?

1. 150

2. 15

3. none

4. 2¹⁵

5. 15²

Q.

In how many different ways can the letters of the word SOFTWARE be arranged in such a way that the vowels always come together?

1. 1440
2. 120
3. 13440
4. None of these
5. 360

Q. Study the following information carefully to answer the questions.
The teachers colony has 2800 members, out of which 650 members read only English newspaper. 550 members read only Hindi newspaper and 450 members read only Marathi newspaper.

The number of members reading all the 3 newspaper is 100. Members reading Hindi as well as English newspaper are 200. 400 members read Hindi as well as Marathi newspaper and 300 members read English as well as Marathi newspaper.

How many members read atleast two newspapers?

1. 600
2. None of these
3. 500
4. 1000
5. 800

Q. In how many ways can the letters of the word 'UNIVERSAL' be arranged? In how many of these will E, R, S always occur together?

1. 32240
2. 30240
3. 30240
4. 31240
5. None of these

Q.

In a pair of positive fractions, fraction A is twice the fraction B and the product of two fractions is $\frac{2}{25}$, the value of fraction A is?

1. (5/6)

2. (6/5)

3. (3/8)

4. (8/3)

5. None of these

Q.

The number of ways so that $3$ men and $2$ women can sit in a bus such that the total number of sitting men and women on each side is $3$?

1. $5!$

2. ${}^6{C}_5\times 5!$

3. $6!\times {}^6{P}_5$

4. $5!\times {}^6{C}_5$

Q. 45030 9000 1795 355 68 ? 1.32

1. 12.2
2. 10.4
3. 9.8
4. None of these
5. 11.6

Q. Find the unit digit of ${71}^{72}$.

Q. In how many different ways can the letters of the word 'SMART' be arranged?

1. 25
2. 60
3. 180
4. 200
5. None of these

Q.

If the letters of the word 'VIRAT' are arranged in all possible ways and these words are written out as in a dictionary, then the rank of the word ‘VIRAT’ is:

1. 109

2. 101

3. 129

4. 105

Q. Call rate of sim company A is 1 paisa for every 3 seconds. Another sim company B charges 45 paise per minute. A man talked for 591 seconds on sim A and 780 seconds on sim B. What would be the total amount he spent?

1. Rs 7.80
2. Rs 7.40
3. Rs 7.46
4. Rs 7.82
5. Rs 8.46

Q.

Find out the average of 4, 7, 10, 13, ..., 28, 31.

1. 18.5
2. 16.5
3. 31
4. 35
5. 17.5

Q. In which year did the highest number of candidates clear the entrance exam from state D?

1. 2008
2. 2009
3. 2006
4. None of these
5. 2007

Q. What is the difference in the total production of the two companies for the given years?

1. 2900000
2. 3100000
3. 270000
4. 310000
5. None of these

Q. 4 alphabets E, K, S and V, one in each, were purchased from a plastic warehouse. How many ordered pairs of alphabets, to be used as initials, can be formed from them?

1. 18
2. None of these
3. 12
4. 14
5. 16

Q. In how many different ways can the letters of the word 'BLOATING' be arranged?

1. 40320
2. 5040
3. 2520
4. 20160
5. None of these

Q. A bag has 3 red balls, 2 yellow balls and 3 black balls. They are drawn one by one and placed in a row. Find the number of ways they can be arranged.

1. 280
2. 410
3. 560
4. 712
5. 478

Q.

In which years was the difference between imports and exports of Company B the maximum?

1. 2000

2. 1996

3. 1998 and 2000

4. Cannot be determined

5. None of these

Q. What is the number of candidates passing the exam from city E?

1. 13000
2. 1110000
3. 113000
4. None of these
5. 11000

Q.

What is the average distance travelled by all the trucks together?

1. 510 km

2. 425 km

3. 475 km

4. 515 km

5. none of these

Q. No teacher from the Commerce stream is to be included?

1. 81
2. 62
3. 46
4. 84
5. None of these

Q. Study the following information carefully to answer the questions.
The teachers colony has 2800 members, out of which 650 members read only English newspaper. 550 members read only Hindi newspaper and 450 members read only Marathi newspaper.

The number of members reading all the 3 newspaper is 100. Members reading Hindi as well as English newspaper are 200. 400 members read Hindi as well as Marathi newspaper and 300 members read English as well as Marathi newspaper.

Find the difference between the number of members reading English as well as Marathi newspaper and the number of members reading English as well as Hindi newspaper.

1. 200
2. 50
3. 300
4. 100
5. None of these

Q. Which city has the highest number of students failing the entrance exam?

1. F
2. C
3. B
4. D
5. None of these

Q. Find the number of natural numbers which lie between 10${}^8$ and 10${}^9$ which have products of their digits as 6?

1. 105
2. 81
3. 92
4. 83
5. 55

Q. What is the total number of candidates clearing the entrance exam from states E and F together in the year 2006?

1. 16160
2. 110660
3. 11066
4. 1106600
5. None of these

Q. In which of the following years was the value of exports less than the value of imports in the case of country B?

1. 2010
2. 2006
3. 2008
4. 2007
5. None of these

Q. What was the difference between the total number of candidates who qualified in the exam from all the states together in the year 2006 and the total number of candidates who qualified in the exam P over all the years together?

1. 1.2 lacs
2. 11000
3. 1.1 lacs
4. 12000
5. None of these

Q.

If the value of one - fourth of one - third of a number is 15. Find the value of three - tenth of that number is:

1. 36

2. 45

3. 35

4. 54

5. 46