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I don’t understand so much average questions what should I do ?
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Critical Reasoning Butler: October 2024
October 11CR 1CR 2
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Don’t fall prey to fraud companies like "MBA and Beyond", as they are doing business just by making people fool. They don’t have industry expertise as well. Most of them are like MBA and Beyond only
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what helped me here was doing 3 rc (around 10-15 ques) and 10 cr ques daily for a month. Could see the difference.
how did you revise these questions? just looking at gmatclub?
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A family of seven members consists of a father, a mother and five children. They have to stand in a queue for check-in of their luggage at the airport. The father is concerned about the safety of his youngest child, Aaron. So, he wants to stand behind Aaron in the same queue. The mother insists on standing behind the father. In how many ways can the seven family members arrange themselves in a queue such that the concerns of both father and mother are addressed?


Why can I not do this as Assuming S,F,M as one group and rest all 4 as other groups . and say it is 5! ... Not multiplying by 3! since s,f,m has restrictions ... Why cant this be right here... since s,f,m are together in one way
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Since there is an internal restriction - Aaron must be infront of Father and father infront of mother.
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Yea that’s y im not multiplying by 3!
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A family of seven members consists of a father, a mother and five children. They have to stand in a queue for check-in of their luggage at the airport. The father is concerned about the safety of his youngest child, Aaron. So, he wants to stand behind Aaron in the same queue. The mother insists on standing behind the father. In how many ways can the seven family members arrange themselves in a queue such that the concerns of both father and mother are addressed?


Why can I not do this as Assuming S,F,M as one group and rest all 4 as other groups . and say it is 5! ... Not multiplying by 3! since s,f,m has restrictions ... Why cant this be right here... since s,f,m are together in one way
Check here: https://gmatclub.com/forum/7-people-a-b ... 80985.html
#
Check here: https://gmatclub.com/forum/7-people-a-b ... 80985.html
#
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Thank you.. that’s helpful

one more question i am stuck

Here... I assume no. of class y students as n. and no of. class x students as n+10


and n+10C2 = nC2+590

Why is this wrong at all?
The answer they did

n+10C1 n+9C1 = nC1 n-1C1 + 590

But why???????

Will be really helpful.. if someone could help
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PriyankaGmatIMD
one more question i am stuck
Where you got this Q? Is this a GMAT level/type Q??
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PriyankaGmatIMD
Here... I assume no. of class y students as n. and no of. class x students as n+10


and n+10C2 = nC2+590

Why is this wrong at all?
The answer they did

n+10C1 n+9C1 = nC1 n-1C1 + 590

But why???????
Simply move ahead with your formula... n+10C2 - nC2 = 590
Put the values from the options given... And you will get the answer

35*34 - 25*24 = 590
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PriyankaGmatIMD
Here... I assume no. of class y students as n. and no of. class x students as n+10


and n+10C2 = nC2+590

Why is this wrong at all?
The answer they did

n+10C1 n+9C1 = nC1 n-1C1 + 590

But why???????
I’d suggest you not to worry much about questions in the Jamboree’s book, since the real exam is quite different.
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Can anyone suggest a good book for quant as a beginner?
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