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: 7784

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: 2
Views: 5058

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: 234

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: 195

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: 469

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...