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?????
Answers were Sorted based on User's Feedback
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 |
Answer / guest
given dart board radius =1
distance =20 foot
propability= 20/100+
| Is This Answer Correct ? | 1 Yes | 12 No |
WHEN A DB2 IS RUN WITH TSO DATA CAN BE ACCESSED FROM A TSO TERMINAL IN ____________________? a) Foreground b) Batch JOB running in background c)Both a & b d)None of the above
TELL ME A FIVE DIGIT NUMBER WHEN DIVIDED BY 2 TO 10 REMAINDER IS 1 AND WHEN DIVIDED BY 11 REMINDER IS 0. i.e.., FIVE DIGIT NUMBER DIVIDED BY 2 GIVES REMINDER OF 1, FIVE DIGIT NUMBER DIVDED BY 3 GIVES REMINDER OF 1 AND SO ON TILL 10, THEN THE SAME FIVE DIGIT NUMBER DIVIDED BY 11 GIVES A REMINDER OF ZERO.
In a lock of 4 rings there r five characters how many unsuccessful attempts can be made ?
cgl2010 tier 2 ki merit kya rhgi
PLASE SEND SBI PROBATIONARY OFFICER MODEL PAPER WITH ANSWERS geetha_518@yahoo.co.in
In the word ORGANISATIONAL, if the first and second, third and forth, fifth and sixth words are interchanged up to the last letter, what would be the tenth letter from right?
'X' liters of petrol can be filled in an automobiles tank. What part of full tank was removed, if 'Y' liters was removed when the tank was full?
new town is straight to the north of new york. A high way m runs from newtown making an angle of 61 degree south east. From new york there is also an high way n which runs northeast 61 degrees. If high ways m and n are straight then find out the acute angle made at their intersection point.
WHO IS DRIVE OF TITANIC
Editor:magazine ::
A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?
If a train covers 600m in 0.5 seconds, how long it will cover in 10 seconds?
0 Answers BPCL Bharat Petroleum, Sonata,