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[ad_1] Gujarat PSC has released the Prelims Final Answer Key for the post of Assistant…
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1.What is the degree of the constant polynomial?
(a) 2
(b) 1
(c) 0
(d) 4
2. Which of the following cannot be the probability of an event?
(a) 23
(b) –1.5
(c) 15%
(d) 0.7
3. Which one of the following options is true, y =3x+5 has:
(a) unique solution
(b) infinite solution
(c) two solution
(d) none
4. For what values of k will the following pair of linear equations have infinitely many solutions?
(i) kx + 3y – (k – 3) = 0
(ii) 12x + ky – k = 0
(a) -6
(b) 0
(c) 6
(d) All of these
5. What is the common difference of following AP:
(a) 3
(b) 2
(c) 2
(d) 22
6. If Tn = 2n -3 then what is the common difference of A.P?
(a) -2
(b) 5
(c) 3
(d) 2
7. If TP and TQ are the two tangents to a circle with centre O so that ∠POQ = 110°, then ∠ PTQ is equal to:
( a) 60°
(b) 70°
(c) 80°
(d) 90°
8. Find the value of k for which the quadratic equation 2×2-kx+k=0 has equal roots.
(a) only 0
(b) only 8
(c) 0 and 8
(d) can’t find
9 What is the product of zeroes of the polynomial 2x2-7x+6?
(a) 12
(b) 9
(c) 3
(d) -7
10The perimeter of a triangle with vertices (0, 4) , (0, 0) and (3, 0) is :
(a) 5 units
(b) 12 units
(c) 11 units
(d) (7 + 5) units
To check all questions and answers, go to the following links:
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