How, may five-digit numbers can be formed using the digits 0 to 8 if no digit is to occur more than once in any number

1.  1680

2.  6720

3.  13440

4.  None of these

View Answer  
4
Correct Answer :

13440


Explanation :
No Explanation available for this question

A three-digit number is formed, using the digits 0, 1,2, 5, 6 so that each digit is used at most once in each member. How many numbers formed in this way are divisible by 3

1.  8

2.  20

3.  6

4.  15

View Answer  
4
Correct Answer :

20



Explanation :
No Explanation available for this question

A double decked bus can accommodate 110 passengers, 50 in the upper deck and 60 in the lower deck. In how many ways can the passengers be accommodated if 15 refuse to be in the upper deck while 10 others refuse to be in the lower deck

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

There are 6 envelopes and 6 corresponding letters.These letters are placed in the envelopes randomly. In how many ways exactly 5 letters are placed into their corresponding envelopes

1.  0

2.  5

3.  6

4.  5!

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

In which regular polygon are the diagonals double the number of sides

1.  quadrilateral  

2.  pentagon

3.  hexagon

4.  heptagon

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4
Correct Answer :

heptagon


Explanation :
No Explanation available for this question

A team of 11 players can be selected from 10 batsman and 6 bowlers. In how many ways the team be formed so that it contains at most 3 bowlers

1.  1056

2.  1050

3.  906

4.  900

View Answer  
4
Correct Answer :

1056


Explanation :
No Explanation available for this question

In how many ways can a representation of 12 students consisting of 8 boys and 4 girls be selected from 15 boys and 10 girls, if a particular boy A and a particular girl B aré never together in the representation  

1.  14c8x9c4

2.  15csx10c4 -14c8x9c4

3.  15csx10c4 -14c7x9c3

4.  14c7x9c3

View Answer  
4
Correct Answer :

15csx10c4 -14c7x9c3



Explanation :
No Explanation available for this question

In group of 30 there are 15 males and 15 females.In how many ways can a committee consisting of 25 members be formed such that it always includes 10 particular males and 10 particular females

1.  252

2.  216

3.  288

4.  240

View Answer  
4
Correct Answer :

252


Explanation :
No Explanation available for this question

In how many ways can a delegation of 5 members be formed from 4 ladies and 5 gentlemen if the delegation has to comprise; exactly 2 ladies and 3 gentlemen.

1.  60

2.  16

3.  32

4.  240

View Answer  
4
Correct Answer :

60


Explanation :
No Explanation available for this question

In how many ways á committee of 8 members is to be selected from á group of 10 boys and 8 girls, in such a way that it consists of at least 7 boys and at most 2 girls

1.  1005

2.  2001

3.  3015

4.  4002

View Answer  
4
Correct Answer :

1005


Explanation :
No Explanation available for this question
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