How many factors of 25×36×52 are perfect squares

1.  20

2.  24

3.  30

4.  36

View Answer  
4
Correct Answer :

24


Explanation :
No Explanation available for this question

In how many rearrangements of the word AMAZED, is the letter 'E' positioned in between the 2 'A's (Not necessarily flanked)

1.  24

2.  72

3.  120

4.  240

View Answer  
4
Correct Answer :

120


Explanation :
No Explanation available for this question

a, b, c are three distinct integers from 2 to 10 (both inclusive). Exactly one of ab, bc and ca is odd. abc is a multiple of 4. The arithmetic mean of a and b is an integer and so is the arithmetic mean of a, b and c. How many such triplets are possible (unordered triplets) .

1.  4

2.  5

3.  6

4.  7

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Bob is about to hang his 8 shirts in the wardrobe. He has four different styles of shirt, two identical ones of each particular style. How many different arrangements are possible if no two identical shirts are next to one another

1.  764

2.  864

3.  964

4.  1064

View Answer  
4
Correct Answer :

864


Explanation :
No Explanation available for this question

There are 6 boxes numbered 1,2,...6. Each box is to be filled up either with a red or a green ball in such a way that at least 1 box contains a green ball and the boxes containing green balls are consecutively numbered. The total number of ways in which this can be done is:

1.  5

2.  21

3.  33

4.  60

5.  27

View Answer  
5
Correct Answer :

21


Explanation :
No Explanation available for this question

Company BELIANCE hosted a party for 8 members of Company AXIAL. In the party no member of AXIAL had interacted with more than three members of BELIANCE. Out of all the members of BELIANCE, three members – each interacted with four members of AXIAL and the remaining members – each interacted with two members of AXIAL. The greatest possible number of members of company BELIANCE in the party is:

1.  9

2.  10

3.  11

4.  12

View Answer  
4
Correct Answer :

9


Explanation :
No Explanation available for this question

Each of the 11 letters A, H, I, M, O, T, U, V, W, X and Z appears same when looked at in a mirror. They are called symmetric letters. Other letters in the alphabet are asymmetric letters. How many three letter computer passwords can be formed (no repetition allowed) with at least one symmetric letter

1.  12000

2.  12870

3.  13000

4.  None of these

View Answer  
4
Correct Answer :

12870


Explanation :
No Explanation available for this question

A seven-digit number comprises of only 2's and 3's. How many of these are multiples of 12

1.  1

2.  11

3.  21

4.  47

View Answer  
4
Correct Answer :

11


Explanation :
No Explanation available for this question

When four fair dice are rolled simultaneously, in how many outcomes will at least one of the dice show 3

1.  155

2.  620

3.  671

4.  625

View Answer  
4
Correct Answer :

671


Explanation :
No Explanation available for this question

Some boys are standing on a circle at distinct points. Each possible pair of persons, who are not adjacent, sing a 3 minute song, one pair after another. The total time taken by all the pairs to sing is 1 hour. Find the number of boys

1.  6

2.  7

3.  8

4.  9

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question
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