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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What is Regression?

5 Answers   TNS,

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What is the Value of [(3x+8y)/(X-2y)]; If X/2y=2?

0 Answers   TCS,

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In certain company 20% of the men and 40% of the women attended the annual company picnic. If 35% of all the employees are men .what % of all the employee went to the picnic?

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What is correlation?

2 Answers   TNS,

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Every even integer greater than 2 can be written as the sum of two primes. Give the respective two pairs of prime numbers that when added give 8 and 12.

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any body prove that is 2 = 1 two = one ? Challengeable task .

7 Answers  

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What is the total angular distance in degrees over a sphere?

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

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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.

1 Answers  

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List any four practical values of teaching Mathematics.

0 Answers   Mahatma Gandhi University,

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Compare the Behaviourist & Constructivist approach.

0 Answers   Mahatma Gandhi University,

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