List of practice Questions

Volt is the SI unit of

A bulb draws a current of 0-2 A from a 220 V source. The resistance of the filament of the bulb is

A person cannot see objects clearly beyond 40 cm. The power of the lens to correct vision is

In a glass prism

Pick the correct answer from the following two statements:
(A) In VIBGYOR, wavelength increases from violet to red. 
(B) In VIBGYOR, refractive index increases from violet to red. 

The sensation of vision on the retina is carried to the brain by

For a person with myopia defect, the maximum focal length of the eye-lens is

Four equal circles, each of radius 7 cm, touch each other and a square ABCD is formed through the centres, A, B, C, D of these circles as shown in the figure. Then the area of the shaded region is

If the circumference of a circle is 22 cm, then the area of a quadrant of the circle is

In the given figure, if AB = c, AC = b and AD 1 BC, then AD =

If the ratio of the corresponding sides of two similar triangles is 2:3, then the ratio of their corresponding altitudes is

The point on the X-axis which is equidistant from the points (2, -5) and (-2, 9) is

The ratio in which the X-axis divide's the line segment joining the points (4, 6) and (3.-8) is

The mid-point of the line joining the points (4, 5) and (-2, -1) is

The slope of a line perpendicular to 13x-7y-1-0 is

The area of a triangle with vertices (a, b+c), (b, c+a) and (c, a+b) is

If the points (x, 9), (0, 1) and (-6,-7) are collinear, then the value of x is

The arithmetic mean and geometric mean between two numbers are 75 and 21 respectively, then the numbers are

If the 6th term of a Geometric Progression (GP) is 243 and the 1st term is 32, then what will be the 5th term of the GP?

\(\frac{\text{2+3+5+…. to n terms}}{\text{2+5+8+….8 \,to \,8 \,\,terns}}\)=9, then the value of n is

The missing term (?) of the Arithmetic Progression (AP) 3, 2, 33, 48, 33, 48. ….is

If x=1 is a common root of ax²+ax+2=0 and x²+x+b=0, then the value of ab is

If the product of two consecutive integers is 306, then the quadratic representation of this condition is

A takes 6 days less than the time taken by B to finish a piece of work. If both A and B together can finish it in 4 days, then the time taken by B to finish the work is