In how many ways 4 letters can be posted in two post boxes?
- 13 Answers
- 19439 Views
- TCS, I also Faced
- E-Mail Answers
Answer Posted / binesh
I think the robbins way
is right. But i couldnt
under stand why did
he multiply the result
by 2
the chances are
none in the fist box
and all in the other
box=4C0=1
1 in fist and 3 in
second=4C1=4
2 in first and 2 in
second=4C2=6
3 in first and 1 in
second=4C3=4
4 in fist and none in
second=4C4=1
so net chance is
4C0+4C1+4C2+4C3+4C4=16
| Is This Answer Correct ? | 4 Yes | 2 No |
Post New Answer View All Answers
Whether from one system to another we are able to share the Data? Whether Antivirus helps the system to keep it safe from Virus? Why you consider yourself suitable for this post? Why you want to join in this company? And what made you to apply for this job? State with Reason What you think is best for your department? A)Strict Discipline B)Family Atmosphere C)Work as Team in Department Are you to relocate yourself to any site or Office as required by Company?
xsqrt(0.09)=3 , then x equals
In a box there are four different coloured bells,of some quantity (4 each ) what is the minimum number of pick ups so that, atleast 2 of them of the same colour.
two trains are 2 kms apart. Speed of one train is 20m/s and the other train is running at 30 m/s. Lengths of the trains are 200 and 300m. In how much time do the trains cross each other?
Find out the Simple Interest paid for a sum of $4000 at the rate of 8% per annum for 3 months.
Himesh works thrice as much as Bhavin. Find the number of days it would take to complete the work if both work together if Himesh takes 60 days less than Bhavin to do a work.
A person left house with speed 40 mile per hour his wife after 30 minutes left to catch him at a speed of 50. In what time she will catch?
One passage was on playing cards. know how many diamonds and etc.
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2m2. What is the another side of the triangle?
One dollar is saved in one month. Then how much dollar is saved in one day?
. Select the correct statement a. NEXT SENTENCE and CONTINUE functionally does the same. b. Never can code a DECLARE CURSOR statement in procedure division. c. Edited numeric characters can be included in arithmetic operations. d. The Sub parameters of a DCB parameter are Keyword parameters.
A man how many bikes of Rs 14000 can buy by selling 2100 bikes of Rs500/- of each
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 ?
1,40,00,000 pencils are put up straight. all the pencils are of length range 3 to 6 inches. 80% of the pencils have average of five inches. so the find out the total length spanned by the pencils.
The age of the grand father is the sum of his three grandsons.The second is 2 year younger than first one and the third one is 2 year younger than the second one. Then what will be the age of the grandfather?
