Math-Quiz
The product of a rational and an irrational number is:
always an integer
always an irrational number
always a rational number
sometimes rational and sometimes irrational
If x=2+√3 , then x+1/x=
5
4
-4
-5
An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angles is
37 ½°
72 ½°
75°
52 ½°
Find the value of x.
20
25
30
35
In ΔABC, the bisectors of ∠ABC and ∠BCA intersect each other at O. The measure of ∠BOC is
90° + ∠A
90° + ∠A/2
180 – ∠A
90° – ∠A/2
If the coordinates of a point are (-3, -4), then it lies in:
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
The point which lies on the y-axis at a distance of 5 units in the negative direction of the y-axis is
(5,0)
(0,5)
(0,-5)
(-5,0)
The graph of x = a is a straight line parallel to the ——— axis.
x-axis
y-axis
both x and y-axis
none of them
The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm is
√15 cm²
√15/2 cm²
2√15 cm²
4√15 cm²
The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm² is
Rs 2.00
Rs. 2.16
Rs 2.48
Rs 3.00
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