# Alt 3 is the best, if

1.  P < 0.05

2.  P > 0.2

3.  0.05

4.  None of these

4

P > 0.2

Explanation :
No Explanation available for this question

# 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

4

0.45

Explanation :
No Explanation available for this question

# If the lengths of diagonals DF, AG and CE of the cube shown in the adjoining figure are equal to the three sides of a triangle, then the radius of the circle circumscribing that triangle will be

1.  equal to the side of the cube

2.  √3 times the side of the cube

3.  1/√ 3 times the side of the cube

4.  impossible to find from the given information

4

equal to the side of the cube

Explanation :
No Explanation available for this question

# A circle with radius 2 is placed against a right angle. Another smaller circle is also placed as shown in the adjoining figure. What is the radius of the smaller circle

1.  3-2√2

2.  7-2√2

3.  4-2√2

4.  6-2√2

4

6-2√2

Explanation :
No Explanation available for this question

# What is the ratio of the length of PQ to that of QO

1.  1:4

2.  1:3

3.  3:8

4.  3:4

4

1:3

Explanation :
No Explanation available for this question

# What is the radius of the circle II

1.  2cm

2.  3cm

3.  4cm

4.  5cm

4

3cm

Explanation :
No Explanation available for this question

# The length of SO is

1.  8√3 cm

2.  10√3 cm

3.  12√3 cm

4.  14√3 cm

4

10√3 cm

Explanation :
No Explanation available for this question

# In the adjoining figure, chord ED is parallel to the diameter AC of the circle. If Angle CBE = 65 degree, then what is the value of DEC

1.  35 degree

2.  55 degree

3.  45 degree

4.  25 degree

4

25 degree

Explanation :
No Explanation available for this question

# On a semicircle with diameter AD, chord BC is parallel to the diameter. Further, each of the chords AB and CD has length 2, while AD has length 8. What is the length of BC

1.  7.5

2.  7

3.  7.25

4.  None of the above

4

7.5

Explanation :
No Explanation available for this question

# In the adjoining figure, the lines represent one-way roads allowing travel only northwards or only westwards. Along how many distinct routes can a car reach point B from point A

1.  15

2.  56

3.  120

4.  14 or 15

4

56

Explanation :
No Explanation available for this question

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