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The product of any two rational numbers is
always an irrational number
always a rational number
always an integer
sometimes rational, sometimes irrational
If a, b, c are the lengths of three sides of a triangle, then area of a triangle
, where s = perimeter of triangle.
√3 is a polynomial of degree of
Signs of the abscissa and ordinate of a point in the fourth quadrant are respectively.
Can we draw a circle through 3 non-collinear points?
If each observation of the data is increased by 5, then their mean :
remains the same
becomes x times the original mean
is increased by x
is decreased by x
Total surface area of a cone is:
2πr (r + h)
πr (l + r)
In a cylinder, if radius is halved and height is doubled, the volume will be
A quadrilateral whose diagonals are perpendicular to each other but do not bisect each other.
The equation 2x + 5y = 7 has a unique solution, if x, y are:
Positive real numbers
Name the property because of which ice at 0⁰C is better at cooling than 0⁰C water.
Specific heat capacity
Latent heat of vaporisation
Latent heat of fusion
Which one out of these is not a pure substance?
How much mass does 1 mole of Oxygen gas have?
Isobars are element with _____ atomic numbers and _____ atomic masses.
Which of these is not an animal tissue?
How many classes does the phylum Vertebrata have?
Two points A and B are 50m away. A body goes from A and B in 10s and then goes from B to A in 5s. What is the average velocity of the body?
Which of these states of motion suggest the existence of an unbalanced force?
An airplane taking off
An Airplane cruising
An airplane standing still
All of the above
What would happen to the gravitational force if the masses of both bodies is doubled and the distance between them is doubled?
None of the above
Animals that transmit diseases from one person to another are called _______?
Time is Up!