Class 10th
Chapter wise Most Important MCQ's Type Questions for Board Exams
Class 10th
Most Important MCQ's Type Questions for Board Exams
SET A:-
Que1. If α and β are the zeroes of the polynomial `x^2+2x+1` , then `\frac1\alpha+\frac1\beta` is equal to:
a) -2 b) 2 c) 0 d) 1
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Que2. The quadratic polynomial, the sum of whose zeroes is -5 and their product is 6, is:
a) `x^2+5x+6` b) `x^2-5x+6` c) `x^2-5x-6` d) `-x^2-5x+6`
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Que3. In a number of two digits, unit’s digit is twice the tens digit. If 36 be added to the number, the digits are reversed. The number is:
a) 36 b) 63 c) 48 d) 84
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Que4. x and y are 2 different digits. If the sum of the two digit numbers formed by using both the digits is a perfect square, then value of x + y is:
a) 10 b) 11 c) 12 d) 13
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Que5. If ½ is a root of the equation `x^2+kx-(5/4)`, then the value of k is:
a) 2 b) -2 c) `\frac1 4` d) `\frac1 2`
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SET B:-
Que1. If the sum of the zeroes of the quadratic polynomial kx2 +x+3k is equal to their product, then k equals :
a) `\frac1 3` b) `-\frac1 3` c) `\frac2 3` d)`-\frac2 3`
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Que2. If one zero of the quadratic polynomial `x^2+3x+k`, then the value of k is:
a) 10 b) -10 c) -7 d) -2
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Que3. The 2 digit number which becomes `-\frac5 6` th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is:
a) 45 b) 54 c) 36 d) None of these
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Que4. For which value(s) of p, will the lines represented by the following pair of linear equations be parallel 3x-y-5=0 and 6x-2y-p=0:
a) all real values except 10 b) 10 c) 5/2 d) 1/2
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Que5. Each root of `x^2-bx+c=0` is decreased by 2. The resulting equation is `x^2-2x+1=0` , then:
a) b = 6, c = 9 b) b = 3, c = 5 c) b=2, c=-1 d) b= -4 , c= 3
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Que6. `\left(x^2+1\right)^2-x^2` has:
a) four real roots b) two real roots c) no real roots d) one real root
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Que7. The nth term of the AP a , 3a , 5a , ... is:
a) na b) (2n - 1)a c) (2n+1)a d) 2na
Que8. In an AP, if a = 3.5. , d = 0 and n = 101, then `a_n` will be
a) 0 b) 3.5 c) 103.5 d) 104.5
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