1. Categories >> Aptitude Questions >> General Aptitude
  2. Suggest New Category

A circular dartboard of radius 1 foot is at a distance of
20 feet from you. You throw a dart at it and it hits the
dartboard at some point Q in the circle. What is the
probability that Q is closer to the center of the circle
than the periphery?
0.75
1
0.5
0.25

Solution: 0.25


can someone plz explain how this answer is calculated?????

Question Posted / ankita

Answers were Sorted based on User's Feedback



A circular dartboard of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it..

Answer / anvith

CONSIDER THE RADIUS OF 0.5FT ON THE DARTBOARD (OF TOTAL
RADIUS 1FT)
IF THE DART FALLS IN THIS RADIUS OR RATHER AREA GIVEN BY
PI*0.5*0.5
THEN ITS CLOSER TO THE CENTRE
HENCE PROBABILITY=PI*0.5*0.5/(PI*1*1)
=0.25

Is This Answer Correct ?    32 Yes 1 No

A circular dartboard of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it..

Answer / heena

answer is 0.25

Is This Answer Correct ?    0 Yes 0 No

A circular dartboard of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it..

Answer / guest

given dart board radius =1
distance =20 foot
propability= 20/100+

Is This Answer Correct ?    1 Yes 12 No

Post New Answer

More General Aptitude Interview Questions

maths

0 Answers   HCL,

If asked you, why you want to regin the current company/organisition

0 Answers  

can u send me all old papers of sbi cleark exams?

0 Answers   State Bank Of India SBI,

The second was given two nodes of a binary tree find the closest ancestor of the two nodes.

0 Answers  

what is the probability that 4 numbers selected from 1 to 40 are not consecutive.

4 Answers   TCS,




find missing no 15 13 12 12 11 11 ?

8 Answers   HCL,

If a:b=5:6 and b:c=5:6, a:c=?

3 Answers   eClerx, Infosys,

A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms east.How far is A from his starting point?

0 Answers   TCS,

How would you write this as an equation ? (Algebra problem ) how would you write: Twice a number is one more than the square of that number? and Two more than a the square of a positive number is thirty- eight. plzz answer asap .

1 Answers  

Ramesh and his grandfather differ in their ages by 60 years. After 5 years, if the sum of their ages will be hundred years, what is the present age of Ramesh?

9 Answers   HCL, SSC, XYZ Corporation,

A number is such that when it is multiplied by 8 , it gives another which is as much above from 270as the original (itself) is below 270. The average of the original number and the resultant number is

4 Answers   Mind Tree,

In your opinion, what is the most beautiful math equation ever derived?

23 Answers   Google,

For more General Aptitude Interview Questions Click Here
Categories