P ( - 4, b ) and Q ( 2, b + 2 ) are 2 points and the co-ordinates of the middle point of PQ are ( - 2, 2) . The value of b is

1.  1

2.  3

3.  -2

4.  -1

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

The number of 5 digit positive integers such that in each of them every digit is greater than the digit to its right

1.  10C4×9C1

2.  10C5

3.  10C4×9C4

4.  10C5×5!

View Answer  
4
Correct Answer :

10C5


Explanation :
No Explanation available for this question

Two strips of the same width 1m overlap at an angle of θ as shown. The area of the overlap (shown shaded) (in m2) is _____

1.  Sinθx

2.  1/sinθ

3.  1/(1-cosθ)

4.  1/(1-cosθ)2

View Answer  
4
Correct Answer :

1/(1-cosθ)


Explanation :
No Explanation available for this question

The N0 is ………..

1.  0

2.   1

3.  2

4.  4

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

How many of N4, N5, N6 and N7 can be non-zero

1.  0

2.  1

3.  2

4.  3

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

How many times does 1 occur

1.  0

2.  1

3.  2

4.  3

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

Which of the following statements can be true  (i) N2 = N4 (ii) N0 = N3 (iii) N3 = N4 = N5= N6 (iv) N3 = N5 = N6 = N7

1.  1 and 3 only

2.  2 and 4 only

3.  1 and 4 only

4.  2 and 3 only.

View Answer  
4
Correct Answer :

1 and 4 only


Explanation :
No Explanation available for this question

If logN M = logM N, M ≠ N, M, N ≠ 1, M N > 0, then MN = …………

1.  2

2.   1

3.  2

4.  10

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

The slope of the line Joining A (-4. 6) and B (5, 3) is

1.  2/5

2.  -1/3

3.  2/3

4.  1/3

View Answer  
4
Correct Answer :

-1/3


Explanation :
No Explanation available for this question

In a factory, there are three shifts of work on a day comprising eight hours each. During the three shifts,  the  average  work  efficiency  of  workers  is  80%,  70%  and  50%  respectively.  A work is completed in 60 days by working in first shift only. If the work is done during all the three shifts, then how many less days are required to complete the work

1.  24

2.  36

3.  45

4.  15

View Answer  
4
Correct Answer :

36


Explanation :
No Explanation available for this question
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