Question

1.Square of any positive integers is always either in the form of
A) 3m or 3m+2
B) 3m+1 or 3m+2
C) 3m or 3m-1
D) 3m or 3m+1
2.The number of zeros of a cubic polynomial is
A) more than 3
B) atmost 3
C) only 3
D) atleast 3

3.Roots of the equation x2 +7x +12 = 0 are
A) 3 and 4
B) -3 and 4
C) 3 and -4
D) -3 and -4
4.If A and B are complementary angles, then
A)sinA=sinB
B) cos A = cosB
C)tanA =tanB
D) secA = cosecB
5.Which one the following cannot be the probability of an event
A)3/4
B)1/2
C)4/3
D)1/4
6.In the given figure DE || BC
Which of the following statements is
wrong with respect to the diagram
A) ∆ADE ~∆ABC
B) ∆BDE ~∆CED
C) ∆ADE -∆ACB
D) ∆EDB ~∆DEC
7.From a point Q, the length of the tangent to a circle is 24cm and the distance of the centre
is 25cm. The radius of the circle is
A) 7cm
B) 12cm
C) 15cm D) 24.5cm
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Answer 1

Answer:

answer

1.d

2.c

3.b

5.b

6.