If x,y,z are three consecutive natural numbers, which of the following numbers should be x+y+z

1218

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a number of subsets of a set s is 128, then s has

1188

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a train covers the distance D between two cities in hours arriving 2 hours late.what rate would permit to train to arrive on schedule?

1436

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f(x,y) =x**2 -y**2 then the value of f(4,(f(1,2) is

1198

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if 8x+4y=6 and 4x+5y=7, x+y equlals

1141

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if a,b>0 and a+b=2 then the max value of ab is

1156

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if f(x)=1/x then f(f(f(x))) equals

1344

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if f(x)=1/x**2 , then f(f(f(x)))

1260

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if the radius of the circle is increased by 6% then its area increased by

1201

---

in a single throw of dice ,the chance of throwing a total of 3 is

1235

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p and q are positive integers with their average 5, find how many different values can p take

1293

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perimeter of rectangle is s and the other side is x, then the other side

1120

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solution of system of equations y-z=0,x+8y=4,3x+4y=7z is

1105

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sqrt(0.16)+cubic root(0.027) equals

1173

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the average of seven numbers is 2.5 then their product

1088

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