Find no of 3 digit numbers formed using 1,2,...,9 such that hundred's place is greater than ten's place and ten's place is greater than unit's place .
what is the tens digit of 2^248?method plz..
So I have been arguing with my friend over this question:
"From a vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day?"
What is the answer to this questions folks, and please explain your method/approach.
Thanks.
a dice rolled six times 1,2,3,4,5,6 appears on consecutive throw of dices. How many ways are possible of having 1 before 6
in an examination the max marks for each 3 papers is 50 each. The max mark for the 4th paper is 100. Find the no of ways with which student can score 60% marks in aggregate.
A square sheet of card board of side 20 units is taken and four squares each are removed from corners. Then the side are turned up to make the cuboid of maximum volume. Find the dimensions of such a cuboid.
puys plz quote me..thnks
7 diff objects must be divided among 3 people. In how many ways can this be done if at least one of them gets exactly 1 object?
7 diff objects must be divided among 3 people. In how many ways can this be done if one or two of them must get no object?
15^23+23^23/19
what is remainder???
- o
- t
0 voters
Find 1223334444...100100100...(100 times) mod 7
Ten workers started a job and worked on it for 10 days. Eleventh day onwards, a new worker joined them every day till the job was finished. It took exactly 20 days to finish the entire job. The same job has to be done starting with the minimum possible number of workers when it is known that a worker will quit the job every day after the first day. How many days will it take to finish the job in such a manner?
(a) 23 (b) 22 (c) 19 (d) 17
The last two digits in the expansion of (1989)^91 are
(Please post a good explaination as well)
- 6,9
- 9,1
- 8,1
- 8,9
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A Cuboid of dimensions 51,85,102 cm is first painted by red color then it is cut into minimum possible identical cubes.Now the total surface area of all those faces of cubes which are not red is
(in centimeter square):
- 36414
- 119646
- 52020
- 18514
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6 identical dices rolled . how many different outcomes could be possible ?
What digit does “a”represent, if 35! 35! = 10333147966386144929a66651337523200000000?
(a) 4 (b) 6 (c) 2 (d) 1
What digit does 'a' represents if 23! = 258520167a888497664b000, where 'a' and 'b' are single digit numbers ?
a) 1
b) 3
c) 4
b) 3
c) 4
d) 6
e) 9
e) 9
A ) Find the no. of shortest paths from P to Q via X .
B ) Find the no . of shortest paths from A to Q via N .