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?????
- 3 Answers
- 11579 Views
- TCS, I also Faced
- E-Mail Answers
Answer Posted / 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 |
Post New Answer View All Answers
If ABC =C3C3 and CAB = D3D3, Then find D3÷B3D3÷B3
pls help about karnataka bank officers exam paper and guide me about pattern pls total time given and different sub they asked in exam?
If the letters of the word "rachit" are arranged in all possible ways and these words are written out as in a dictionary, what is the rank of the word "rachit".
What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of cream(2 pt.=1 qt. and 4 qt.=1 gal)
A man travelled from the village to the post-office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village
The day before yesterday was WEDNESDAY then the day after tomorrow is?
The ratio of no. of boys & girls in a school is 3:2 Out of these what % the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders.?
Find the missing word(...),ayw,gec,mki,sqo
Successive discounts of 10%, 20% and 20% are equal to a single discount of __
how to create the alarm using sql queries.In the sense i need to make the computer to produce beep sound for each 1 minute.(hint: by chr(7) we can produce the beep sound)
Two glasses were filled with 1/3 and 1/4 milk. they were filled with water &then mixed in tumbler. what is the percentage of milk in the resultant.
a student is ranked 13th from right and 8th from left.how many are there(similar)
a bus started from bus stand at 8.00am and after 30min staying at destination it returned back to the buss tand.the destination is 27 miles from the bustand the speed of the bus 50percent fast speed at what time it returns to the bustand.
f(x,y) =x**2 -y**2 then the value of f(4,(f(1,2) is
12 men can build wall of length of 12m in 10 days how many men are required to build 20 m in 15 days.
