Sentence correction OG10_Performance

Friends, I attended first 200 question from OG. My overall hit rate is ~60%. I have summarized my performance: Easy questions - 47 correct out of 61 qns. Medium questions -50 correct out of 93 qns. Hard questions-21 correct out of 46 qns. Before I started practising OG, I read Manhattan Sentence cor...

Hmm. If OA is incorrect, then it is difficult for candidate who follow reputed materials, in trust that the information given will be correct. Can the originator post the explanation of the OA, so that candidates will be aware of such important mistakes?

I think for qn 1,the eqn can be simplified as is 4^x3^-y<1? from statement 1 , the eqn becomes is4^x/ 3^(x^2) <1? you can try substituting any positive integers for x. The outcome is always less than 1. Hence statement 1 is sufficient. No information of x in statement 2. So Ans is A. For qn no 2, st...

Canman, I think one can assume x intercept as the point crossing x axis , that is at x=-1/3 when the assumed straight line is of form y=mx+c... I am also not so confident, what is the OA?

Thanks sssmoorthy, for solving this difficult problem....

I think the asnwer can be E..

Statement 1 is not sufficient, since a rectangle can also be called as a parallelogram.

Statement 2 alone is also not sufficient, since the same conditions can be said for a rectangle.

Both together do not give any additional information..hence E

Stuart, is it not necessary to have "unique" value of p from both the statements? One can write first 100 primes and can find P from statement 1. Meanwhile one can write all the primes between 1 and 3912. My question is what is the surety that the answers from both the statements give a un...