Let a, b, c be distinct such that a + 1/b = b + 1/c = c + 1/a, then abc equals

1.  1

2.  0

3.  -1

4.  greater than 1 

5.  Less than -1

View Answer  
5
Correct Answer :

1


Explanation :
No Explanation available for this question

Find tan 9 − tan 27 − tan 63 + tan 81 ( all angles in degrees)

1.  2

2.  3

3.  4

4.  5

5.  none of these

View Answer  
5
Correct Answer :

4


Explanation :
No Explanation available for this question

Let tan θ = tan 10 − tan 50 + tan 70 then θis ( all angles in degress)

1.  15

2.  30

3.  45

4.  60

5.  75

View Answer  
5
Correct Answer :

60


Explanation :
No Explanation available for this question

By selling oranges at ‘p’ Rs for   dozen, a vendor makes a profit of r%. If he had bought themat the rate of q for Rs.12, what does 5pq – 12r equal

1.  12

2.  120

3.  1200

4.  Indeterminate

View Answer  
4
Correct Answer :

1200


Explanation :
No Explanation available for this question

If x2 – 5x + 6 < 0 and P = x2 + 5x + 6 then which of the following statements is true

1.  P can take any real value

2.  20 < P < 30

3.  0 < P < 20

4.  P > 30

View Answer  
4
Correct Answer :

20 < P < 30


Explanation :
No Explanation available for this question

The perimeter of a scalene triangle is 23, and the length of its sides are the digits of a three digitnumber divisible by 88. Then the area of the triangle is ,

1.  

2.  

3.  

4.  Indeterminate

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The sides of the decagon meet at right angles as given below. What is the perimeter of thedecagon

1.  22

2.  32

3.  44

4.  Indeterminate

View Answer  
4
Correct Answer :

44


Explanation :
No Explanation available for this question

A cube with two diagonals of adjacent faces meeting at one vertex is given below. What is theangle between the diagonals

1.  45°

2.  60°

3.  75°

4.  90°

View Answer  
4
Correct Answer :

60°


Explanation :
No Explanation available for this question

If   and   are the arithmetic mean and the harmonic mean between two numbers, then thesmaller of the two numbers is

1.  3

2.  4

3.  6

4.  7

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

At least how many balls must one remove in a single pick to get 4 balls of the same colour

1.  9

2.  10

3.  13

4.  14

View Answer  
4
Correct Answer :

10


Explanation :
No Explanation available for this question
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