Rajat draws a 10 x 10 grid on the ground such that there are 100 identical squares numbered 1 to 100. If he has to place two identical stones on any two separate squares in the grid, how many distinct ways are possible

1.   2475 

2.   4950

3.  9900 

4.  10000

View Answer  
4
Correct Answer :

 4950


Explanation :
No Explanation available for this question

If the perimeter of a rectangle is 90, what is the area of the rectangle

1.  324

2.  124

3.  965

4.  56

5.  324

View Answer  
5
Correct Answer :

324


Explanation :
No Explanation available for this question

Where defined, {y2 – 3/3} {8/2y + 3} =

1.  98

2.  56

3.  – 11/3

4.  67y

5.  98y

View Answer  
5
Correct Answer :

– 11/3


Explanation :
No Explanation available for this question

Mohan is a carpenter who specialises in making chairs. For every assignment he undertakes, he charges his commission and cost.His commission is fixed and equals Rs.560 per assignment while the cost equals Rs.2n² where n is the total number of chairs he makes. If for a certain assignment the average cost per chair is not more than Rs.68       then the minimum and maximum possible number of chairs in the assignment are, respectively.

1.  13 and 19 

2.  13 and 20

3.  14 and 19 

4.  14 and 20

View Answer  
4
Correct Answer :

14 and 20


Explanation :
No Explanation available for this question

From this equation z(p) = 2k + 2, find the value of k, where p = 4 and z = 2

1.  10

2.  65k

3.  8p

4.  3

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

Let    fn+1(x) = fn (x) + 1 if n is a multiple of 3                        = fn (x) – 1 otherwise. If f1(1) = 0, then what is f50(1)  

1.   –18

2.  –16 

3.   –17

4.   -19

View Answer  
4
Correct Answer :

 –17


Explanation :
No Explanation available for this question

If e(s) = |s| + 40 for which of the following values of s does e(s) = e(-s)

1.  24

2.  2p

3.  All real e

4.  56e

5.  25

View Answer  
5
Correct Answer :

All real e


Explanation :
No Explanation available for this question

On a plate in the shape of an equilateral triangle ABC with area 16 √3sq.cm , a rod GD, of height 8 cm, is fixed vertically. G is a point on the plate. If the areas of the triangles AGD and BGD are both equal to 4√19 sq.cm, find the area of the triangle CGD (in sq.cm).

1.   19 √3 

2.  19 √4 

3.  3 √12 

4.  None of these

View Answer  
4
Correct Answer :

3 √12 


Explanation :
No Explanation available for this question

If log 6 = 8 then a =

1.  45/23

2.  78.45

3.  1.09

4.  4j  

5.  32.45  

View Answer  
5
Correct Answer :

1.09


Explanation :
No Explanation available for this question

If 0 < d < 1 then all of the following must be true except:

1.  4:5

2.  56d

3.  d < d

4.  23d  

5.  d

View Answer  
5
Correct Answer :

d < d


Explanation :
No Explanation available for this question
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