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Mathematical Induction
Prove by mathematical induction that the product of two consecutive integers is divisible by 2 like lets take 1 and 2 1*2=2 which is divisible by 2... but what expression should i make and how should i prove it? Second question is Prove by mathematical induction 10^n + 3(4)^n+2 + 5 is divisible by 9...
- by Rabeea
Sun Apr 17, 2011 12:25 pm- Forum: Data Sufficiency
- Topic: Mathematical Induction
- Replies: 2
- Views: 1621
this 49 was in my question may be absurd. But we have to suppose that this 49 is not mentioned now we have to find the largest possible number of students. from your concept if i get AuBuC 66 then by applying inclusion exclusion principle i can find the largest possible number of students. that is t...
- by Rabeea
Tue Mar 01, 2011 11:54 pm- Forum: Problem Solving
- Topic: Set Theory challenge
- Replies: 21
- Views: 8394
Actual question was Each of the 49 students in the class understands equations,excersiceregularly or loves litreture.20 understand equations, 20 excercise regularly and 26 loves litreture. 36 understands equations or excersice regularly 38 understands equation or loves litreture 40 excersice regular...
- by Rabeea
Tue Mar 01, 2011 1:46 pm- Forum: Problem Solving
- Topic: Set Theory challenge
- Replies: 21
- Views: 8394
sir there is still confusion,
For example we have three sets,
say it set A , set B and Set C
20 people in A, 20 in B and 26 in C
How can we find the maximum number of people that is AuBuC
- by Rabeea
Tue Mar 01, 2011 11:43 am- Forum: Problem Solving
- Topic: Set Theory challenge
- Replies: 21
- Views: 8394
- by Rabeea
Tue Mar 01, 2011 11:02 am- Forum: Problem Solving
- Topic: Set Theory challenge
- Replies: 21
- Views: 8394