Q. Weight of the equation remains unchanged even when the signs in the equation are changed.

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Q. Find the arithmetic mean if the angles and their weights were given as 20˚42ꞌ3ꞌꞌ, 20˚42ꞌ4ꞌꞌ, 20˚42ꞌ6ꞌꞌ and 2, 2, 2 respectively.

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Q. Determine the weight of the weighted arithmetic mean if the angles and their weights are given as 40˚56ꞌ2ꞌꞌ, 40˚56ꞌ7ꞌꞌ, 40˚56ꞌ12ꞌꞌ and 5, 4, 9 respectively.

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Q. Find the weight of the algebraic sum of the two quantities given as 21˚43ꞌ10ꞌꞌ, 54˚32ꞌ20ꞌꞌ, having weights 5, 7 respectively.

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Q. If the angle α = 54˚32ꞌ12ꞌꞌ, having weight 7, is multiplied by a factor 5 then find the resulting weight of that angle.

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Q. Find the weight of the equation α+ β = 23˚45ꞌ20ꞌꞌ if it is multiplied by its own weight. Weight of the equation is given as 2.

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Q. Determine the weight of the quantity β = 21˚54ꞌ13ꞌꞌ if it is divides by a factor 3. Its original weight is 8.

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Q. What will be the value of weight if the equation α+ β = 32˚18ꞌ7ꞌꞌ having weight 5 is subtracted by 180˚?

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Q. Which of the following can be used for finding a normal equation?

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Q. Normal equation is used in case of________________

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Q. Which of the following processes is a tedious one?

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Q. Determine the normal equation for x for the equations, 5x+2y+3z-6 = 0 and 2x+4y+6z-10 = 0, having equal weight.

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Q. If different weights of the equations are involved then they are to be subtracted with the coefficients.

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Q. Formation of normal equation with unknown quantities must be multiplied with the algebraic coefficient.

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Q. Find the normal equation for y of the equations 2x+3y+4z-7 = 0, x-4y+6z-9 = 0, having weights 3 and 2 respectively.

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Q. What will be the normal equation for z if the equations are given as 3x+9y+4z-43=0, 2x+6y+z-5=0. Assume these are having equal weights.

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Q. A normal equation is formed by ____________

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Q. Which of the following represents the correct set of constants and variables present in a normal equation?

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Q. Most probable value can be found by using a ______________

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Q. Most probable value is not used in the determination of which of the following?

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