if a number is choosen between 100 and 999 includeing these
numberrs what is the provbabilty that the number selected
does not contain a 7 is
- 23 Answers
- 41144 Views
- Deshaw, Microsoft, Persistent, I also Faced
- E-Mail Answers
Answer Posted / ajeet
100-199------19
similarly for all ranges till 999 except for:
700-799----100
total no.containing 7's= 19*8+100=252
Therefore,
probability=(900-252)/900
= 648/900
= 0.72
| Is This Answer Correct ? | 10 Yes | 3 No |
Post New Answer View All Answers
A work is done by two people in 24 minutes. One of them alone can do it in 40 minutes. How much time will the other person will take to complete it
Time and speed time and work boat and streams
5 thieves stole diamonds in following way 1st stole half +2 2nd remaining half +2. for 5th there was no diamond how many diamond were there initially
Person who decided to go to weekend trip should not exceed 8 hrs driving in a day. Average speed of forward journey is 40 miles/hour . Due to traffic in sundays ,in return journey average speed is 30mph . How far he can select a picnic spot ?
The base 5 representation of the decimal number 2048 is _____.
i need icet solved papers 2000 to 20010,and also mock papers,mock online
pls send me andhra bank clerk model papers&syllabus
The difference between two numbers is 1365. When you divide the larger number with the smaller number the quotient is 6 and remainder is 15. What is the smaller number?
8 to the power of x is 32,what is the value of x?
Add a word in starting of SCAPE and at the end of Grass, u will get two different word
Joe started from Bombay towards pune and her friend julie in opposite direction.they meet at a point .distance travelled by joe was 1.8 miles more than that of julie.after spending some both started there way.joe reaches in 2 hours while julie in 3.5 hours. Assuming both were travelling with constant speed.Wath is the distance between the two cities.
There is a work which can be completed by A with 12 days and B by 18 days. A and B works together for 3 days and B left. After that how many days for A to complete the work?
A simple interest amount of Rs 6000 for 6 months is Rs 600. Calculate the annual rate of interest.
Hansie made the following amounts in seven games of cricket in India: Rs.10, Rs.15, Rs.21, Rs.12, Rs.18, and Rs.17(all figures in crores of course). Find his average earnings.
a man works. He has to maintain 100 cups. He gets 30 ps for every cup he safeguards and has 10 pay 90 ps for every cup he breaks.if he earns rs.24 per day, how many did he break?
