Recently Active Class Vii X Mathematics Questions

If x2 - yz/a = y2 - zx/b = z2 - xy/c , then prove that: (a + b + c)(x + y + z) = ax + by + cz ...

A,B,C are real values such that A + B + C = 2, A2 + B2 + C2 = 6, A3 + B3 + C3 = 8 then find the value of A4 + B4 + C4 ...

A and B are the roots of the equation x2 - 13x + N = 0 If A - B = 3, what is the value of N? ...

What is the equation of the reflected ray, when the incident ray is given by y = x - 1, and (i) mirror is along x - axis (ii) mirror is rotated by 45° anti-clockwise from x-axis (iii) mirror is along y - axis ...

Solve the inequality: 2x - 3/3x - 7 > 0 ...

Last ball, India needs 4 runs to win. What is the probability of India winning the game? Answer: 1/3 . I can't understand how to calculate it... Thanx in advance... ...

If a2/b + c = b2/a + c = c2/a + b = 1, find 1/1 + a + 1/1 + b + 1/1 + c ...

If a/b+b/a=1,(a≠0,b≠0), then the value of a3+ b3 = ? ...

If (x+2) and (x-2) are factors of ax4 + 2x - 3x2 + bx - 4, then the value of a + b is ...

On dividing x3-3x2+3x+7 by x+1, ax2+bx+c is obtained. What is a+b+c? ...

if, 2x=3y=6-z,then what is the value of 1/x + 1/y + 1/z ..........????? plz do reply fast........ ...

How do I PROVE the theorem. Remember not verify, I want to prove it Mathematically. ...

in an election contested by two candidates 5% of the voters did not cast their votes. the successful candidate won by 5100votes securing 48 4/7 % of the total votes. how many voters were there? how many votes were cast for ea ...

how can we prove gcd(n,n+1)=1 ...

*Image* Thanx in advance... ...

There are 24 equally spaced points lying on circumference of a circle. What is the maximum number of equilateral triangles that can be drawn by taking sets of three points and joining the three points of each set? ...

For the given regular hexagon, find the perimeter and the area of the hexagon. *Image* ...

What will be the total number of squares in a chessboard ? ...

Find the sum of the series 1/(1*3)+1/(2*4)+1/(3*5)+1/(4*6)+.......+1/(8*10)= ...

At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand? ...

1. There are two figures which are having constant width. Name them ? ...

Find the volume of the biggest right circular cone that can be inscribed in a sphere of radius a=3? Is there a difference between a trapezium and a trapezoid? What is infinity + infinity,infinity * zero?? In a box, there are ...

The point on y-axis equidistant from the points (3, 2) and (–1, 3) is ...

Which of the following conditions is always true for congruent triangles? ...

Vertices of a figure are (– 2, 2); (– 2, – 1); (3, –1); (3, 2), it is a ...

Find the radius of the circle inscribed in the square. *Image* ...

The three points (– 2, 2), (8, – 2) and (– 4, – 3) are the vertices ...

Why is the value of log-3-27 ≠3? Because... log-3-27 = log-3(-3 * 9)=log-3-3 + log-39 = 1 + 2 = 3 ...

A TRIANGLE ABC HAS AN ANGLE 60 DEGREE.AB=b & BC=C. FIND THE AREA OF THE TRIANGLE. ...

What is the product of roots? ...