Question

The sum of exponents of prime factors in the prime factorisation of 196 is 

3

4

5

2

32) The HCF and LCM of 12, 21, 15 are *

3, 140

12, 420

3, 420

420, 3

33) A polynomial of degree n has exactly n zeros *


True

False

34) Degree of zero polynomial is not defined. *

True

False

35) Graph of a quadratic polynomial is an ellipse. *

True

False

36) Present ages of a father and his son are in the ratio 7 : 3 , and they will be in the ratio 2:1 after 10 years.Then the present age of father is *

42

56

70

77

37) A fraction becomes 4 when 1 is added to both the numerator and denominator and it becomes 7 when 1 is subtracted from both the numerator and denominator. The numerator of the given fraction is *

2

3

5

15

38) A pair of linear equation cannot have exactly two solutions. *

True

False

39) Ratio in which the line 3x + 4y = 7 divides the line - segment joining the points (1,2) and (-2,1) is *
3 : 5

4 : 6

4 : 9

None of this

40) The point on the x axis which is equidistant from the points A(-2,3) and B(5,4) is *

(0,2)

(2,0)

(3,0)

(-2,0)​

Answer 1

Answer:

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Step-by-step explanation:

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