Interested to Buy Any Domain ? << Click Here >> for more details...
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
- 12938 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
xsqrt(0.09)=3 , then x equals
Jack and Jill went up and down a hill. They started from the bottom and Jack met Jill again 20 miles from the top while returning. Jack completed the race 1 min a head of Jill. If the hill is 440 miles high and their speed while down journey is 1.5 times the up journey. How long it took for the Jack to complete the race ?
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, Value of f(5)
if A = D, B=E, C=F, SHOOT = ?
a person went to a shop and asked for change for 1.15paise. but he said that he could not only give change for one rupee. but also for 50p,25p,10p and 5p. what were the coins he had
A certain street has 500 buildings. A sign-maker is contracted to number the houses from 1 to 500. How many zeroes will he need?
If a ball falls from 16 feet takes 4 seconds. How much time it will take when falls fron 64 feets.
What is the code formed by reversing the First and second letters, the third and fourth letters and son on of the string SIMULTANEOUSLY?
Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?
A class consists of 100 students, 25 of them are girls and 75 boys; 20 of them are rich and remaining poor; 40 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is
a block of ice floats on water in a beaker, as the ice melts,the water level in the beaker will
1992 Feb have 5 Sundays. In which year, the month Feb have 5 Sundays next?
To 15 lts of water containing 20% alcohol, we add 5 lts of pure water. What is % alcohol.
If Log2 x - 5 Log x + 6 = 0, then what would the value / values of x be?
One Train Travels 200m From A To B With 70 Km/Ph And Returns To A With 80kmph, What Is The Average Of Their Speed?
