Question
For a distribution with mean, median, mode and standard
deviation 25, 24, 26 and 5 respectively, Karl Pearson's coefficient of skewness equals to:Solution
The correct answer is A
In ∆ PQR, S is the midpoint of QR. T is the midpoint of line PS. Then, Area of ∆PTQ : Area of ∆ PQR is
The corresponding medians of two similar triangles are 12 cm and 15 cm. If the area of the first triangle is 288 cm, then find the area of the second tr...
What is the length of the hypotenuse in an isosceles right-angled triangle if one of its equal sides measures 6√2 cm?
In triangle ABC, vertices are A(2, 3), B(8, 5) and C(4, −1). Find the coordinates of the centroid and the length of the median from A.
Find area of a trapezium with parallel sides 12 cm and 18 cm, height 10 cm.
- The base of a right pyramid is an equilateral triangle with side 12 cm. If the height of the pyramid is 40√3 cm, calculate the volume of the pyramid.
The area of two similar triangles is 361 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
The base of a pyramid is an equilateral triangle whose side is 8 cm. Is. Its (slant edge) is 24 cm. What is the total surface area (in cm²) of the pyra...
∠A, ∠B, and∠C are three angles of ∆ABC.if ∠A-∠B=15°, ∠B-∠C =30°,then ∠A, ∠B and ∠C are?
Determine the inradius of an equilateral triangle whose altitude measures 9√3 cm.