Interested to Buy Any Domain ? << Click Here >> for more details...
what is the probability that 4 numbers selected from 1 to 40
are not consecutive.
- 4 Answers
- 8186 Views
- TCS, I also Faced
- E-Mail Answers
Answer Posted / sudhanshu_kmr
there may be 74 group of consecutive numbers...
1,2,3,4
2,3,4,5
.....
.....
37,38,39,40
and their reverse as
4,3,2,1
5,4,3,2
.....
....
40,39,38,37
total no. of ways to arrange 4 numbers out of 40 = 40 P 4
probability= 1- 12*37 / 40*39*38*37
= 29639 /29640
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
There r 1200 elephant .some have blue and pink strips.some have pink & green strip. 400 ele. have only pink strip. how many have only blue strip
f(f(x))=81 THEN VALUE OF X=
A train blows a siren one hour after starting from the station. After that it travels at 3/5th of its speed it reaches the next station 2 hours behind schedule. If it had a problem 50 miles farther from the previous case,it would have reached 40 minutes sooner. Find the distance between the two stations .
A cube 3"* 3"* 3" is painted green it is cut into 1"* 1"* 1" how many cubes were painted on atleast on one side
if a man reduces the selling price of a fan from 400 to 380 his loss increases by 20% .cost price of fan is.
if the radius of the circle is increased by 6% then its area increased by
How many five digit numbers are there such that two left most digits are even and remaining are odd?
A can do a piece of work in 30 days, which B can do in 20 days. Both started the work but A left 5 days before the completion of the work. It took how many days to complete the work?
he hour hand lies between 3 and 4. Tthe difference between hour and minute hand is 50 degree.What are the two possible timings?
if 2 miles of fence enclose a square plot of 160 acres,how large a square will 4 miles of fence
A>B,B>C,C=D,D>E,then which is greatest?
Rohan bought some rice at Rs. 10 per kilogram. He buys 2 kg rice from a ration store at the rate of Rs. 8 per kilogram. He mixes the two type of rice and sells at Rs. 11 per kilogram. He makes 25% profit. What is the ratio of non-ration to ration rice?
There are 600 tennis players 4% wear wrist band on one wrist Of the remaining, 25% wear wrist bands on both hands How many players don't wear a wrist band?
Mary's father's brother is Andrews Andrews daughter's son is Sunil Brothers name is Sam Who is Sam to Sunil?
A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. of brand A are needed to make 40kgs. of the mixture?
