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Hey please post the solution as well. P)A certain junior class has 1000 students and a certain senior class has 800 students. Among these students, there are 60 sibling pairs, each consisting of 1 junior and 1 senior, If 1 student is to be selected at random from each class, what is the probability that the 2 students selected will be a sibling pair? 1. 3/40000 2.1/3600 3.9/2000 4.1/60 5.1/15

Hi all, please help me solve this... A circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter. If the smaller rim makes x revolutions per second, how many revolutions per minute does the larger rim make in terms of x? 1.( 48 pi)/x 2.75x 3.48x 4.24x 5.x/75

Hi people, please help me solve this... P) A Square countertop has a square tile inlay in the center, leaving an untiled strip of uniform width around the tile, If the ratio of the tiled area to the untiled area is 25 to 39, which of the following could be the width, in inches, of the strip? 1.3/2 2.3 3.9/2 4.All the three

Sorry E cannot be the answer...

For second question E can also be the answer...

C, D, B ....please post the answers....

It definitely gives you a vague idea of the type of questions you can expect on the GRE..

There are 27 children in a class. Find the probability that: (a) Their birthdays are all different. (b) At least two children have the same birthday Please help me with this problem..

A coin is tossed 10 times, and heads comes up 4 times. In how many ways can this have happened? Ans:210

A and B walk around a circular track. They start at 8:00 am from the same point in opposite directions. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. How many times shall they cross each other before 9:30 am.(Answer- 7)

At his usual rowing rate, Rahul can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24-mile round trip, the downstream 12 miles will take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour?? Answer-8/3 mph

I think answer should be 7 and 30....not sure....

hey, since all the four digits need to be distinct, take 2 5's and 6's as one unit. Therefore, u will have 6 nos to arrange. required answer is 6P4=360

From a group of boys and girls,15 girls leave. There are then left 2boys for each girl. After this 45 boys leave. There are then 5 girls for each boy. Find the no of girls in the beginning ?? (Ans:40)

Two guns were fired from the same place at an interval of 10 min 30sec., but a person approaching the place hears the second shot 10min after the first. Determine the speed of the train in Km/hr (suppose the speed of sound is 330m/s)? the ans is 59.4Km/hr....