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

A person has Rs 100/- in his pocket, he can as 25 pencils or 15books. He kept 15% of the money for travelling expenses and purchased 5 ncils.So how many books he can purchase with the remaining money.

0 Answers   IBM,

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Frank be in four years?

1 Answers   Wipro,

The day before yesterday was WEDNESDAY then the day after tomorrow is?

0 Answers   Amdocs,

How can u cut a big piece of cake into eight(8) pieces with only three cuts using a knife.

12 Answers   IBM, Math Powerhouse, Minda,

Tell us about ur self?

5 Answers   Chevron, IOCL, Kuwait University,




1 monkey takes 3 min to eat 1 banana.how much time will 10 monkeys take to eat 10 bananas

27 Answers   Caritor, Lionbridge, Microsoft,

A cycled from P to Q at 10 kmph and returned at the rate of 9 kmph. B cycled both ways at 12 kmph. In the whole journey B took 10 minutes less than A. Find the distance between P and Q.

0 Answers   Accenture,

The ratio between the perimeter and the breadth of a rectangle is 5: 1. What is the length of the rectangle If the area of the rectangle is 216 sq. cm?

0 Answers   Cap Gemini,

when National song sing

2 Answers  

at leos lumberyard an 8 foot long wooden costs $3.at this rate what is the cost in cents of a pole that is 16 inches long

1 Answers  

sir, can u plz give me model set papers of sbi and vijayabank

0 Answers  

I HAVE APPEARED FOR ALLAHABAD BANK ON 21-02-10, I WANT TO KNOW THE SECTIONAL CUT OFF'S FOR CATEGORY.

0 Answers   Banking,

For more General Aptitude Interview Questions Click Here
Categories