Interested to Buy Any Domain ? << Click Here >> for more details...
In how many ways 4 letters can be posted in two post boxes?
- 13 Answers
- 24046 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
if out of x bulbs y bulbs are broken;the % of non broken bulbs
A company installed 36 punching machines at the beginning of the year.In the spring they installed 9 additional m/c's and then discontinued 18 in the fall.How many were still installed at the end of the year?
a person who decided to go weekend trip should not exceed 8 hours driving in a day average speed of forward journey is 40 mph.due to traffic in sun days the return journey average speed is 30 mph.how far he can select a picnic spot.
.Both A and B Alice and Bob play the following chip-off-the-table game. Given a pile of 58 chips, Alice first picks at least one chip but not all the chips. In subsequent turns, a player picks at least one chip but no more than the number picked on the previous turn by the opponent. The player to pick the last chip wins. Which of the following is true?
how to retrieve the recent record from the database using sql query. suppose the table has the columns only ename,job,salary columns
If a ball falls from 16 feet takes 4 seconds. How much time it will take when falls fron 64 feets.
The difference b/w the compound interest payble half yearly and the simple interest on a certain sum lent out at 10% p.a for 1 year is Rs 25. What is the sum?
From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
A person spending out 1/3 for cloths , 1/5 of the remaining for food and 1/4 of the remaining for travellers is left with Rs 100/- . How he had in the beginning ?
A boy scores 9 marks more than his friend in an exam and has 56% marks of the total of their marks. Calculate the marks scored by each of them.
In a cycle race there are 5 persons named as J, K, L, M, N participated for 5 positions so that in how many number of ways can M make always before N?
It has 20 mixture contains mil and water in the ratio 3:5,replace 4 litres of mixture with 4 litres of water what is the final ratio of milk and water.
I want Canara Bank Question papers ? if u have this one send my mail. id - kuruba.sreekanth@gmail.com -regards
A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river. After 5 min. he tells his father that his hat has fallen. So they turn around and are able to pick the hat at the point from where they began boating after 5 min. Tell the speed of river.
After spending 2/3 of his salary on rent and food items and 1/4th of the remaining on transportation, Rajesh has 6000 with him. How much did he pay on transportation?
