A father and his son are waiting at a bus stop in the evening. There is a lamp post behind them. The lamp post, the father and his son stand on the same straight line. The father observes that the shadows of his head and his son's head are incident at the same point on the ground. If the heights of the lamp post, the father and his son are 6 metres, 1.8 metres and 0.9 metres respectively, and the father is standing 2.1 metres away from the post, then how far (in metres) is the son standing from his father

1.  0.9

2.  0.75

3.  0.6

4.  0.45

View Answer  
4
Correct Answer :

0.45


Explanation :
No Explanation available for this question

If the sum of the first 11 terms of an arithmetic progression equals that of the first l9 terms, then what is the sum of the first 30 terms

1.  0

2.  -1

3.  1

4.  Not Unique

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

Adopting Test-2 will be feasible if the percentage of defective pieces (p) lies between:

1.  0.10 to 0.020

2.  0.20 to 0.30

3.  0.05 to 0.20

4.  0.00 to 0.05

View Answer  
4
Correct Answer :

0.05 to 0.20


Explanation :
No Explanation available for this question

1.  1/2

2.  –1

3.  1/2 or –1

4.  -1/2 or –1

View Answer  
4
Correct Answer :

1/2 or –1


Explanation :
No Explanation available for this question

If p is equal to 0.2, then which test will be feasible

1.  either 1 or 2 

2.  2 only 

3.  3 only

4.  either 2 or 3

View Answer  
4
Correct Answer :

either 2 or 3


Explanation :
No Explanation available for this question

When will Test-3 be feasible

1.  p > 0.2

2.  0.1 < p < 0.2

3.  0.05 < p < 0.1

4.  p < 0.05

View Answer  
4
Correct Answer :

p > 0.2


Explanation :
No Explanation available for this question

When is Test -1 feasible

1.  p < 0.05

2.  0.0 < p < 0.2

3.  0.1 < p < 0.2

4.   0.05 to 0.2

View Answer  
4
Correct Answer :

p < 0.05


Explanation :
No Explanation available for this question

If p < 0.2, then the best alternative will be:

1.  Test-2

2.  Test-3

3.  Test-1

4.  Not Test-3

View Answer  
4
Correct Answer :

Not Test-3


Explanation :
No Explanation available for this question

From a circular sheet of paper with a radius of 20 cm, four circles of radius 5cm each are cut out. What is the ratio of the uncut to the cut portion

1.  1 : 3

2.  4 : 1

3.  3 : 1

4.  4 : 3

View Answer  
4
Correct Answer :

3 : 1


Explanation :
No Explanation available for this question

Two liquids A and B are in the ratio 5 : 1 in container 1 and in container 2, they are in the ratio 1 : 3. In what ratio should the contents of the two containers be mixed so as to obtain a mixture of A and B in the ratio 1 : 1

1.  2 : 3

2.  4 : 3

3.  3 : 2

4.  3 : 4

View Answer  
4
Correct Answer :

3 : 4


Explanation :
No Explanation available for this question
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