a spere circumscribes a cylinder . then the ratio of the surface area of the spere to the curved surface area of the cylinder is

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 15 : A motel cleaner has 8 master keys at home to open all the rooms in a large motel. Each room can be opened by just 1 of these keys. If 40 % of the rooms are left unlocked, what is the probability that the cleaner can get into a specific room if he selects 3 keys at random before leaving home to go to work? (A) 5 / 8, (B) 5 / 16, (C) 31 / 40, (D) 3 / 20, (E) 19 / 40.

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Write the condition for critical point (a,b) to become function f(x,y) minimum.

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 9 : In a shift-code, the letters of the alphabet are replaced by the numbers 1 to 26 starting at some letters. An example is : A = 25, B = 26, C = 1, D = 2, E = 3, F = 4, G = 5, H = 6, I = 7, J = 8, K = 9, L = 10, M = 11, N = 12, O = 13, P = 14, Q = 15, R = 16, S = 17, T = 18, U = 19,V = 20, W = 21, X = 22, Y = 23, Z = 24. There are two shift-codes in which the sum of the numbers representing the letters of the word HOLE is 48. What is the sum of the numbers representing the letters of the word BLACK in each of these codes?

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Define Continuity of a function f(x,y) at a point (a,b) ?

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In a single throw of 3 dice, the chance of throwing a total of 15 is

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if z is the arithemtic mean between x and y , then the value of x/(x-z)+y/(y-z) is

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Define absolute minimum of the function f(x,y) at (a,b) ?

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I AM DGREE HOLDER. SO I WNAT TO MODEL QUESTION PAPERS FOR ELEGIBLE OF DGREE COMPLETING POST

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What is R-square, adjusted R-square? What is the difference?

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 4 : A 4 × 4 grid is made using 40 matches. How many matches are needed to construct a 10 × 10 grid?

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what is basic use of calculus?

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