Question

Tick the correct option:
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1. The HCF of 95 and 152 is 57,
38,1,19

2. The sum of the exponents of the prime factors in the prime factorization of 196 is 1,2,4,6

3. If a and b are the zeros of the polynomial f(x)= x2+x+1, then 1/alpha+1/bita = 0,1,-1,none of these

4. If one zero of the quadratic polynomial x2 +3x+k is 2. then the value of k is 10, -10,5,-5

5. The value of k for which the system of equations kx- y = 2 and 6x-2y = 3 has a unique solution is 3,not equal to 3,0,not equal to 0

6. If a pair of linear equations in two variables is consistent then the lines represented by two equations are
intersecting, always coincident (iv) intersecting or coincident,parallel

7. If the equation x2+4x+k =0 has real and distinct roots,then
k<4, k>4,k<=4,k=>4

8. If x=1 is a common root of ax2+ ax+2=0 and x2+x+b=0 then, ab =1,2,3,4

9. The HCF of even prime number and prime number is 3,1,2 ,none of these

10. Which of the following rational numbers have terminating decimal is 16/225,5/18,2/21,7/250​

Answer 1

Answer:

1) 19

2) 4

3) -1

4) -10

5) not equal to 3

6) co-incident

7) k<=4

8) 2

9) 1

10) 7/250

Hope its helpful.