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GRE - Quantitative Reasoning

A quant question (more)

QID : 61 - If x + (1/x) = 2, then what is the value of x64 + x121?

Options:
1) 0
2) 1
3) 2
4) – 2

Answer is Option 1) 0 

But How? 

x+(1/x)=2 x^2-2x+1=0 (x-1)(x-1)=0 x=1 X=1; therefore 1*64 + 1*121 =64+121=185 or I’m not sure what the question means. In the expression x64 + x121, are the numbers supposed to be exponents? If so, we could evaluate easily: 1^64 + 1^121 = 1+1 = 2.

Eight points are equally spaced on a circle. If 4 of the 8 points are to be selected at random. What is the probability that a quadrilateral having the 4 points chosen as vertices will be a square? (more)

Eight points are equally spaced on a circle. If 4 of the 8 points are to be selected at random. What is the probability that a quadrilateral having the 4 points chosen as vertices will be a square?

webinar on Higher level geometry min max area (more)

I attended the webinar on Higher level geometry min max area.Are the problems solved the standard results for any problem or will it vary?

The results should be standard.

Help me (more)

Hello Mr. x,I want admit in IBA,University of Dhaka.For that,I have to cover GRE.I am new at this site.thereby,how can i start my preparetion through qs leap?

they don"t require GRE/GMAT. but you seat for a competitive exam, which is similar to GMAT, organised by DU authority

how is one question grade on GRE what is the weight per question also i checked online it is only 23 questions in some forum i was checking could you tell me how many questions and what are the weightage sceheme per question ? (more)

how is one question grade on GRE what is the weight per question also  i checked online it is only 23 questions in some forum i was checking could you tell me how many questions and what are  the weightage sceheme per question ?

Be the first person to answer the question!