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Four concentric circles are given. The radius of 1st circle is x. Next is 2x, then 3x and 4x. Given that area between 2nd and 1st is A and 4th and 3rd circles being B. Find ratio of A to B
What is the 12th term of the series 2, 5, 8, ....
Q1. Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The minimum value of n1(P) over all configurations P of 5 points in the plane in general position(.i.e no three points in P lie on a line) is
The main line train starts at 5.00AM and the harbor line train starts at 5.02AM. Each train has the frequency of 10 minutes.If a guy goes in the morning at a random time what is the probability of he getting main line train?
The average score of a cricketer for 13 matches is 42 runs. If his average score for the first 5 matches is 54, then what was his average score (in runs) for last 8 matches?
If there are 1024*1280 pixels on a screen and each pixel can have around 16 million colors Find the memory required for this?
Fill the empty slots. Three FOOTBALL teams are there. Given below the list of maches. played won lost draw Goals for Goals against A 2 2 *0 *0 *7 1 B 2 *0 *1 1 2 4 C 2 *0 *1 *1 3 7 the slots with stars are answers.
Complete the series: 5, 20, 24, 6, 2, 8, ?
there are 27 coins in which one is heavier than rest(all equal weight). how many measurements are needed to isolate that odd one.
In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?
A number, when it is divided by 8 it gives a remainder 3 and is divisible by both 3 and 5. Find the number.
present ages of sameer and anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is anand's present age in years?
A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river.After 5 min. he tells his father that his hat has fallen. So they turn round and are able to pick the hat at the point from where they began boating after 5min. Tell the speed of river?
A person runs 6 ft in 1/4 sec. how much it will run in 10 sec.
Concentrations of three wines A, B and C are 10, 20 and 30 percent respectively. They are mixed in the ratio 2 : 3 : x resulting in a 23% concentration solution. Find x.