I was having a problem with some sums (Permutations and Combinations) can anyone please help me out?
1. If the number of ways in which n different things can be distributed among n persons so that atleast one person does not get anything is 232 then what is the value of n?
(a) 3 (b) 4 (c) 5 (d) none of these
2. In an election for the post of president of students union, every student can vote in 56 ways. Every student votes for atleast 1 candidate and a student can vote for more than 1 candidate. If the total number of candidates exceeds the maximum number that can be elected by 2, then what is the number of candidates?
(a) 5 (b) 7 (c) 6 (d) None (Personally I think the question is wrong)
:banghead::banghead:
Thanks in advance!!
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I've been solving Nishit Sinha quants. Been having problems with the following problem:
A shopkeeper sells 2 types of goods, both at 120, whereas the first cost him Rs 90, and the second Rs 160. Sale of A started from 1 for the first day and went on increasing every day by 4 units, whereas the sale of B was 450 first day and went on decreasing by 6.
1. Shopkeeper has planned in such a way that he starts earning profit exactly on diwali which is N days from now. What is the value of N?
a. 103 b. 105 c. 107 d. 109
2. On which day will he earn profit for the first time on a day to day basis?
a. 49 b. 51 c. 53 d. 55
any help will be appreciated
My name is Utsav and I am new to this forum, though i have been using it for a while staying unregistered.
Well i am pursuing a B-Tech in CSE and hoping to do some serious MBA.
PG has been one of the most useful forums ever, as most of what i faced problems with had already been answered. But hoping that my experience is just going to get better!!