How many ways we can distribute 3 identical black balls , 2 identical white balls , green ball , blue ball and violet ball among 3 blind people ?
Please explain the 39th one. I got the others. The question explanation is in Arun Sharma. Its LOD 3 and chapter is averages. If someone who has already solved, then please help me .
How many 5 digit numbers with exactly two 4's?
What is the difference between 1. P is 3 places right to B 2. P is 3rd to the right of B
In many ways can the number 1000 be expressed as a product of 3 integers?(positive and negative integers included)
If the first and (2n+1)th terms of an A.P, G.P and H.P are equal and their (n+1)th terms are a, b and c resp. then
- a + b = c
- a = b = c
- ab = c^2
- ac = b^2
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a party of n people sit around a table.find the odds against two specified people sitting next to each other . a.(n+1)/2 b.(n-3)/2 c.(n+3)/2 d.none of these ans: b plz explain the approach
A teacher asks one of her students to divide a 30-digit number by 11. The number consists of six
consecutive 1's, then six consecutive 2's, and likewise six 3's, six 4's and six 7's in that order from
left to right. The student inserts a three-digit number between the last 4 and the first 7 by mistake
and finds the resulting number to be divisible by 11. Find the number of possible values of the
three-digit number.... I took abc as 3 digit number and got the relation : a+c=b ... answer is 81 .. I want to understand my mistake
AB=9C+1 Where a, b, c are natural numbers and 100 <=A<=200.How many different values can A take?
- 101
- 11
- 50
- None
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there is one confusion .....
I) A is sitting 2 places to the right of B
II) A is sitting 2 places away from B
Does both this statement mean the same?
If P and Q are two points on the line 3x+4y=-15 such that OP =OQ=9 units, the area of the triangle POQ will be?
Please give explanation as well for your answers.
Sol pls
If x= 1/10+1/11+1/12 .... 1/100 , then what can be said about x.
A. 1/3 B.x>3/2 C.1/2 D. CND PLEASE MENTION THE APPROACH TOO.THANKS.
12121212.....upto 200 digits divided by 99 leaves what remainder ?
approach please ?
In an election, 10% of the voters on the voters listam dI'd not cast their votes and 60 voters casted blank.there were only 2 candidates. The winner was supported by 47%of the voters in the voters list and he got 308 more voters than the looser. The number of voters on the list were?
- 4575
- 3600
- 6028
- 6200
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Between 95 and 750 (both included),
how many natural numbers have atleast one 5 as one of the digits? How to solve this guys?
Sheela invests Rs 5000 for 3 years, at 5% Compound Interest annually. Tax at the rate of 20% on the interest is deducted at the end of each year. Find the amount at the end of 3rd year.
- 5624
- 6787
- 6756
- 6008
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