List of top Mathematics Questions

If \( 3^x = 9^{x-1} \), then the value of \( x \) is:
If the mean of \( x, y, 3, 4 \) is 5, then \( x + y = ? \)
The angle of elevation of the top of the building from a point 10 meters away from the base of the building is 60°, then the height of the building is:
What is the median of 18, 14, 6, 7, 8?
If the pair of linear equations \(a_1x + b_1y + c_1 = 0\) and \(a_2x + b_2y + c_2 = 0\) represent coincident lines, then:
If \( x, y \) and \( z \) are distinct prime numbers, then the H.C.F. of \( x^2 y^3 z \) and \( x^3 y z^2 \) is:
From the top of the tower 60 meters high, the angle of depression of an object is 60°, then the distance of the object from the base of the tower is:
5 + \( \sqrt{7} \) is:
The value of \( \log_3 81 \) is:
The mean of 20, 30, 38, 40, 50, 56, 60 is:
Which of the following statement regarding the probability of an event is correct?
If the equations \(x + 2y = 5\) and \(3x + ky = 10\) are inconsistent, then the value of \(k\) is:
What is the probability of getting a number 7 in a single throw of a dice?
The zeroes of the quadratic polynomial \( x^2 + x - 2 \) are:
If one card is selected from a well-shuffled deck of 52 cards, then the probability of getting an ace card is:
If \( a, b, c \) are in A.P., then \( \frac{a - b}{b - c} \) is equal to:
In the sequence \( 18, a, 14, 32 \), the common difference is:
The sum of the first \(n\) natural numbers is:
If \( x<0 \) and \( y>0 \), then the point \( P(x, y) \) is in which quadrant?
The product of the zeroes of a polynomial \(x^3 - 3x^2 + x + 1\) is:
If \( A = 45^\circ \), then the value of \( \sin A + \cos A + \cos 2A \) is?
The area of the triangle with vertices \( (1, 1), (-4, 6), (-3, -5) \) is?
If a line is passing through the points (2, 5) and (x, 3) and its slope is 2. Then the value of 'x' is?
Which term of G.P. \( 2, 2\sqrt{2}, 4, \dots \) is 128?
The terms 4, 7, 10, \dots form an A.P. The sum of the first 15 terms is?