ax + 2y = 5 3x - 6y = 20 In the system of above, a is a constant if the system has one solution, which of the following CANNOT be the value of a...? Mcqs

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ax + 2y = 5 3x - 6y = 20 In the system of above, a is a constant if the system has one solution, which of the following CANNOT be the value of a...?

(A) -1
(B) 1

(C) 2
(D) -3

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The average of four consecutive odd numbers is 24. Find the largest number:...?

(A) 25
(B) 27

(C) 29
(D) 31

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A patient requires a 30% decrease in the dosage of his medication. His current dosage is 340 mg. What will his dosage be after the decrease...?

(A) 70
(B) 238

(C) 270
(D) 340

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In a class there are 27 students. If there are 7 more girls than boys in the class how many students are girls...?

(A) 10
(B) 17

(C) 23
(D) None of these

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In the equation of a straight line, what does the letter 'C' represents...?

(A) Gradient
(B) x intercept

(C) y intercept
(D) y coordinate

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The value of satisfying the equation 7x + 1 =4x-8 is...?

(A) 400
(B) 380

(C) 3
(D) 340

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35 workers are employed to complete a construction in 16 days. the boss needs to complete the project in 14 days. all the workers work at the same rate, how many more workers does he need to employ in order to complete the project on time...?

(A) 3
(B) 4

(C) 5
(D) 9

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A line segment's ratio is 4:6. How many parts are needed to divide it...?

(A) 4
(B) 6

(C) 10
(D) 2

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A motorcyclist travels 200 km in 1 hr. How many minutes it would take him to travel 120 km?...?

(A) 72 minutes
(B) 50 minutes

(C) 36 minutes
(D) 24 minutes

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The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. The time after which it is due is:...?

(A) 5 months
(B) 10 months

(C) 15 months
(D) 20 months

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