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

(A) -1
(B) 4

(C) 1
(D) -3

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If a + b + c = 0 then value of [ a + b / c +b+c/a + c + a / b ][ a / b + c + b / c + a + c / a + b] is:...?

(A) 8
(B) -3

(C) 9
(D) 0

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The Founder of Algebra was...?

(A) Al Khwarizmi
(B) Umar Khayyam

(C) Lao Tze
(D) Abu Yousaf

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If the radius of circle is 1 cm then the area of circle is:...?

(A) 314 mm,
(B) 314 cm²

(C) 314 mm²
(D) None of these

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Viruses 9 is 1/3% of what number...?

(A) 2700
(B) 300

(C) 2700
(D) 3000

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Given that 543 x 21 = 11403, find the value of 1140 ; 5.43...?

(A) 210
(B) 150

(C) 120
(D) 200

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A father is now three times as old as his son Five years back, he was four times as old as his son. The age of the son in years is...?

(A) 10
(B) 12

(C) 15
(D) 18

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0.5 x 0.06 = ______

(A) 03
(B) 0.03

(C) 3
(D) 0.003

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The average run of 8 players is 6. The average run increases by 1 when 2 new players are included. What is the average run of new players...?

(A) 10.5
(B) 11.5

(C) 125
(D) 13.5

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7 56/100in decimal form is:...?

(A) 7,056
(B) 7,56

(C) 756
(D) 75,6

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