mehr

sorry i dont have the OA ..can you explain with solution

Posted these questions earlier in a doc but no one replied so i've pasted them here... 1.Sequence s1,s2,s3,..sn, is such that s=1/n-1/n+1 . Is the sum of first k terms greater than 9/10? 1). k>10 2). K 2.Is x-y>0? (Or x+y>0?) 1). x-y/x>0 2). x+y/x-y>0 3.The average of some numbers is 43, what is the standard deviation? 1). The least number is 43 2). The greatest number is 43 4.The sides of a triangle is a, b, and c. Are the three angles all less than 90 measure degrees? 1). The areas of the semi-circles with the radius a, b, c are 4, 5, 6, respectively. 2). c 7.X, y and z are three digits numbers, and x=y+z. Is the hundreds’ digit of x equal to the sum of hundreds’ digits of y and z? 1). the tens’ digit of x equal to the sum of tens’ digits of y and z 2). the units’ digit of x equal to the sum of units’ digits of y and z 8.Is |x-2|+|x+2| 1). x 2). x is within (-2, 2)

you mean your answer is D

sorry i dont have the OA but i think its A

hi...calling for all the maths genius out there...i need ur help to confirm answer to these questions..i dont have an OA for this list of questions but i'll post my answers soon...till then get cracking on them...pls post the solution...thanks in advance ....why has no one replied...GMAT-HELP , manish and all the maths bonds pls help me out as you always do....i have my exam real soon

Have 6 words, A,B,C,D,E,F .. Rules: A is not in position 1 B is not in position 2 C is not in position 4 All words have 6 letters Letters do not repeat with in a word. How many possibilities?

thanks..you made it so simple

A certain right triangle has sides of length x, y, and z, where x A. y > root(2) B. root(3)/2 C.root(2)/3 D.root(3)/4 E. y

Is x odd? 1 2x-1 is odd 2. Cube(x) is odd i chose B

thanks...that was really silly of me

i dont know the OA but this is a scoretop question most of the ppl there choose C but even i think its A...thanks for confirming

Tom is going to move, he has three kinds of boxes: large, medium, and small. Now he has already 11 large boxes, each of which is either empty or filled with 6 medium boxes. Medium boxes are filled in the large boxes and each of them is either empty or filled with 6 small boxes. Small boxes are empty and filled in the medium boxes. How many boxes does Tom have? 1). he has 56 empty boxes 2). he has 42 small boxes

hi i found this one really difficult pls explain your answers OA is after one long day no imput from all all the brilliant ppl out here...is this question so difficult...guyz help me figure out this one

thanks badar...for the idiom help...didnt know abt "look to" i 've also learnt from this question that "used X as Y" is not always followed

i thought that the question was asking F2-F1/F1 so the stmt 1 is sufficient.