Quantitative Aptitude (Maths)
(1) Find the angle between the hour hand and the minute hand of a clock when the time is 3 : 30.
Soln. Hour hand covers a distance of 3 hrs. and 30 minutes = 210 minutes and Minute hand covers a distance of 30 minutes.
<...
☼ GENERAL CONCEPTS :
↦ It is 11 : 00 o’clock. In how many minutes both the hands will coincide ?
Soln. Our wrong answer is 55 minutes. Because we always give answer by fixing ( no movem…
☼ INTRODUCTION : We know that the person who appreciate the time, the time will appreciate him. We have mainly two hands in a watch or clock. ( Actually we have three hands, but we ignore the seconds hand because …
☼ Locus : If a point moves according to some given geometrical conditions, then the path traced out by the moving point is called its Locus ( or Curve ).
■ The locus of a point equidistant from two given poin…
☼ Circle and its tangent :
↦ Three collinear points cannot lie on a circle.
↦ If a line in the plane of a circle has common point with the circle, then there are two alternatives :
- The line intersects the circ…
☼ Circle : The set of all the points of a plane, at a given distance from a given point of the plane, is called a circle. The given point is called the centre of the circle and the given distance is called the radius of the circle….