Question
230 192 172 ? 122
100 What should come in place of the question mark (?) in the following number series?Solution
(15)2 + 5 = 230 (14)2 - 4 = 192 (13)2 + 3 = 172 (12)2 - 2 = 142 (11)2 + 1 = 122 (10)2 - 0 = 100
The area of the largest triangle inscribed in a semi-circle of radius R is-
The ratio of the angles ∠A and ∠B of a non-square rhombus ABCD is 7:5, then the value of the ∠C is
The diagonals of a rectangle are inclined to one side of the rectangle at 25°. The acute angle formed between the diagonals is:
If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 216 cm 2 , then the area of ∆AGF is?
In ∆ABC , G is the centroid , AB = 5 cm, BC= 8 cm and AC = 7 cm , find GD, where D is the mid-point of BC?
In a circle with center O, two tangents PA and PB are drawn from point P outside the circle. If PA = 24 cm, PB = 24 cm, and OP = 30 cm, find the length ...
The lengths of three medians in a triangles are 21 cm, 28 cm, 35 cm. What is the area of that traingle (in cm 2 )?
From an external point P, two tangents PR and PS are drawn to a circle with a radius of 10 cm. If the length of each tangent is 14 cm, determine the per...
In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm. BR = 4 cm. PB = 6 cm. PA = 5 cm and A...
- A tangent is drawn from an external point P to a circle, touching the circle at point Q such that PQ = 16cm. A secant PRS is also drawn from P, intersectin...
Relevant for Exams:
