the value of x which makes xi+2j+3k and -i+5j+k perpendicular is
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The hands of clock coincide after every 66 min of correct time. How much does the clock gain or lose in a day.
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 2 : When copying a compact disc on a computer the dialogue box showed that the task was 60 % complete. If it had taken 12 minutes so far, how much longer will it take to complete the copying? (A) 6 mins, (B) 8 mins, (C) 12 mins, (D) 20 mins, (E) 40 mins.
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.
The imaginary unit I is numerically defined as what?
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 7 : 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. In a different shift-code, the sum of the numbers representing the letters P and Q is 21. What word is represented by 13 10 21 23 25?
State Euler's theorem for the homogenous function f(x,y) with degree n.
If perfect numbers, except 6, can be expressed by the sum of the cubes of an unbroken sequence of consecutive odd integers, what are the consecutive odd integerswhich, when cubed, give the perfect number 28?
Assuming a year in a dogs life is equivalent to 7 years of a humans life, what is 1 hour of a dogs life approximately equivalent to in a humans life?
Explain the Lagrange's method of undetermined multipliers to find extreme values of the function f (x,y,z).
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 5 : If Karen starts counting from 1 and goes up in threes : 1, 4, 7, ..., and Anne starts counting at the same time from 101 and goes down in twos at the same rate : 101, 99, 97, ..., they will say the same number together. What is that number?
the cordinates of A,b,c are respectively (2,3) ,(4,4) AND (0,-2). If abcd is a parallelgram. The coordinates of D are
find 665+22.9=