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There are two balls touching each other circumferentially. The radius of the big ball is 4 times the diameter of the small ball.The outer small ball rotates in anticlockwise direction circumferentially over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. what is 'N' for the horizontal line from the centre of small wheel always is horizontal.
A pipe can fill a tank in 30 min B can fill in 28 min then if 3/4 th of tank can be filled by B pipe and after wards bothare opened then how much time is required by both the pipes to fill the tank completely. note: the values of A and B may slitely vary be ware.
13_46_8_180_210_75 = 64 . Use + and – in the empty places to make the equation holds good. Take m = number of + and n = number of – . Find m – n?
If 13 = 13w/(1-w) ,then (2w)2 = ?
If the data is for 10 bogies and for every 2 bogies added speed decreases by 5% what will be the speed after 5 hrs.
distance D=rt where r & t are +ve and r is constant,as t increases then D_________
In a pond ecosystem, large fishes and small fishes will be there. If we want to remove small amount of pollutants, small fishes are to be employed. In a food chain food passes through a number of mouths and en route the mouth of the super feeder-the eagle. Its population determines the size of the ecosystem. But this has been proved false.What can you infer from above? (4 choices)
On BRIC So called New york has risen by on average sales plese chewk the incorrect sentence option 1. so called 2. Has risen 3. By on average
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, Value of f(16)+f(15)-480
What amount of compound interest can be obtained on an amount of Rs. 4500 at the rate of 4% p.a. at the end of 2 years?
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There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls. Which of the following fractions is less than 1/3?
the difference b/w the compound interest payble half yearly and the simple interest on a certain sum cont out at 10% p.a for 1 year is Rs 25 what is the sum
Initially two cups of same volume are present with milk filled upto 3/5th and 4/5th of their volumes.Water is then filled. Then two mixtures are mixed. Find the ratio of water to milk in the mixture.
Argentina had football team of 22 player of which captain is from Brazilian team and goalki from European team. For remaining player they have picked 6 from Argentinian and 14 from European. Now for a team of 11 they must have goalki and captain so out of 9 now they plan to select 3 from Argentinian and 6 from European. Find out no. of methods available for it
