2024-06-27 | Let \(\sigma\) be the standard deviation of \(n\) observations. Each of the \(n\) observations i.... |
2024-06-27 | The \(A . M\). of the series \(1,2,4,8,16, \ldots, 2^n\) is: .... |
2024-06-27 | For the ellipse 2x2-2xy+4y2-(3+2)=0 ..... |
2024-06-27 | Mean of the first \(n\) terms of the A.P. \(a+(a+d)+\) \((a+2 d)+\ldots\) is .... |
2024-06-27 | If the mean of \(n\) observations \(1^2, 2^2, 3^2, \ldots, n^2\) is \(\frac{46 n}{11}\), then \(.... |
2024-06-27 | Find the mean deviation about the mean for the data:\[4,7,8,9,10,12,13,17\].... |
2024-06-27 | If mode of a series exceeds its mean by 12 , then mode exceeds the median by .... |
2024-06-27 | If the mean of \(3,4, x, 7,10\) is 6 , then the value of \(x\) is: .... |
2024-06-27 | The mean of \(1,3,4,5,7,4\) is \(m\), the numbers \(3,2,2,4,3,3\), \(p\) have mean \(m-1\) and m.... |
2024-06-27 | Let S and S′ be the foci of an ellipse and B be any one of the extremities of its minor ax.... |
2024-06-27 | If the variance of the data is 121 then the standard deviation of the data is .... |
2024-06-27 | Consider an ellipse E:x216+y212=1 and a parabola P whose vertex is (-3,0) and fo.... |
2024-06-27 | Common tangents are drawn to C1:x2+y2=16 and C2:4x2+25y2=100..... |
2024-06-27 | Consider an ellipse E:x216+y212=1 and a parabola P whose vertex is (-3,0) and fo.... |
2024-06-27 | Two tangents PA and PB are drawn from a point P(h, k) to the ellipse E:x2a2+y2b2=1(a&#.... |
2024-06-27 | Two tangents PA and PB are drawn from a point P(h, k) to the ellipse E:x2a2+y2b2=1(a&#.... |
2024-06-27 | If x2+4y2-4=0 and minimum and maximum values of x2+y2-xy are a and b respectively then.... |
2024-06-27 | (3x-4y+10)22+(4x+3y-15)23=1 is an ellipse.... |
2024-06-27 | (3x-4y+10)22+(4x+3y-15)23=1 is an ellipse.... |
2024-06-27 | Let a tangent to the curve \(y^2=24 x\) meet the curve \(x y=2\) at the points \(A\) and \(B\). .... |
2024-06-27 | Three points A, B, C are taken on the ellipse x2a2+y2b2=1 with eccentric angles &theta.... |