Search found 6 matches
Re: Statistics - Median and Range Combination Question
Suppose there are 11 blanks _ _ _ _ _ _ _ _ _ _ Median is 90 so middle number is 90. Also median of smallest 5 numbers is 65. They can be filled as : _ _ 65 _ 90 _ _ _ _ _ Now for max range, the first number has to be minimum possible, the number immediately after 90 should be minimum possible and t...
- by shekki
Tue Aug 18, 2020 1:20 pm- Forum: GMAT Math
- Topic: Statistics - Median and Range Combination Question
- Replies: 2
- Views: 13056
Re: Data Sufficiency
1) Sum of the digits = 4n Hence it's divisible by 4. 2) Product of the digits = n^4 For even or odd, it depends whether n is even or odd 3) To be divisible by 12, the number must be divisible by both 3 and 4. Only possible numbers divisible by 4 will be 4444 and 8888, and none of them is divisible b...
- by shekki
Tue Aug 18, 2020 12:51 pm- Forum: GMAT Math
- Topic: Data Sufficiency
- Replies: 3
- Views: 10168
Re: Exponents and Powers
Since the lilies doubles every two days, we can apply the formula of compound interest as Number of lilies = 1 x (1+1)^n Where n = number of times the lilies double. So in first case, n =60/2 = 30, hence total lilies = (1+1)^30 = 2^30 Now, since there are two lilies in the beginning, the formula bec...
- by shekki
Tue Aug 18, 2020 12:30 pm- Forum: Problem Solving
- Topic: Exponents and Powers
- Replies: 2
- Views: 402
Re: Combinations
Ways to choose no woman = 5C3
Ways to choose 3 candidates out of 8 = 8C3
Ways for atleast one woman = 8C3-5C3 = 46
- by shekki
Mon Aug 17, 2020 12:48 pm- Forum: Problem Solving
- Topic: Combinations
- Replies: 1
- Views: 355
SC
Sartre believed each individual is responsible to choose one course of action over another one, that it is the choice that gives value to the act, and that nothing that is not acted upon has value. (A) each individual is responsible to choose one course of action over another one (B) that each indiv...
- by shekki
Mon Jul 27, 2020 12:02 pm- Forum: Sentence Correction
- Topic: SC
- Replies: 1
- Views: 677
In a certain sock drawer, there are 4 pairs of black socks, 3 pairs of gray socks and 2 pairs of orange socks. If socks
Problem Solving
Re: In a certain sock drawer, there are 4 pairs of black socks, 3 pairs of gray socks and 2 pairs of orange socks. If so
it's an easy one. consider the worst case scenario, that everytime we pick a sock, it's a unique colour. so, it will happen for only the first 3 times. the first 3 socks picked can be of any random individual colour. however the 4th sock has to belong to one of the 3 colours as we dont have any othe...
- by shekki
Tue Jun 30, 2020 12:18 pm- Forum: Problem Solving
- Topic: In a certain sock drawer, there are 4 pairs of black socks, 3 pairs of gray socks and 2 pairs of orange socks. If socks
- Replies: 4
- Views: 717