The remainder obtained when a prime number greater than 6 is divided by 6 is:

1.  1 or 3

2.  1 or 5

3.  3 or 5

4.  4 or 5

View Answer  
4
Correct Answer :

1 or 3


Explanation :
No Explanation available for this question

For which integer n is28 + 211 + 2n a perfect square

1.  11

2.  12

3.  13

4.  14

5.  none of these

View Answer  
5
Correct Answer :

12


Explanation :
No Explanation available for this question

Boxes numbered 1, 2, 3, 4, and 5 are kept in a row, and they are to be filled with eithera red or a blue ball, such that no two adjacent boxes can be filled with blue balls. Howmany different arrangements are possible, given that all balls of a given colour areexactly identical in all respects

1.  8

2.  10

3.  15

4.  22

View Answer  
4
Correct Answer :

22


Explanation :
No Explanation available for this question

Three consecutive positive even numbers are such that thrice the first numberexceeds double the third by 2; then the third number is:

1.  10

2.  14

3.  16

4.  12

View Answer  
4
Correct Answer :

14


Explanation :
No Explanation available for this question

The product of two numbers is 2400. If the bigger number is 1.5 times the smaller number is

1.  40

2.  45

3.  35

4.  30

View Answer  
4
Correct Answer :

40


Explanation :
No Explanation available for this question

The product of 3sqrt(4), 6sqrt(6) and 2sqrt(5) is

1.  6sqrt(12000

2.   6sqrt(1000)

3.   4sqrt(12000)

4.  3sqrt(120000)

View Answer  
4
Correct Answer :

6sqrt(12000


Explanation :
No Explanation available for this question

A magician can double the no. of coins given to her in 1 minute. I give her a certain no. of coins and after an hour she has a boxfull of coins. When was the box 1/4 filled

1.  15 min

2.  30 min

3.  58 min

4.  45 min

View Answer  
4
Correct Answer :

58 min


Explanation :
No Explanation available for this question

Let X = 1, 2, 3...k and let S be any non-empty collection of subsets of X. Define S0 to be collection of all subsets of X that are subsets of an odd number of elements in S. Then

1.  S = S 

2.  (S')' = S

3.  S' = X 

4.  (S')'= X

5.  none of the above

View Answer  
5
Correct Answer :

(S')' = S


Explanation :
No Explanation available for this question

A + B + C + D = D + E + F + G = G + H + I = 17 where each letter represent a number from 1 to 9.Find out number of ordered pairs (D,G) if letter A = 4.

1.  0

2.  1

3.  2

4.  3

5.  none of these

View Answer  
5
Correct Answer :

1


Explanation :
No Explanation available for this question

A sum of Rs.312 was divided among 100 boys and girls in such a way that the boy gets Rs.3.60 and each girl Rs.2.40 the number of girls is

1.  35

2.  40

3.  45

4.  50

View Answer  
4
Correct Answer :

40


Explanation :
No Explanation available for this question
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