Question
"The average age of all employees
in a company is 23.5 years. The average age of male employees is 25.2 years, while the average age of female employees is 23.2 years. If the total number of employees in the company is 200, what is the ratio of the number of male employees to the number of female employees?"Solution
Or by alligation, Male     Female 25.2      23.2      23.5 0.3    :  1.7 3      :   17
∆ABC and ∆DEF are similar and their areas are respectively 121 cm2 and 144 cm 2 . If EF = 24 cm BC is?
Angles of a triangle are in the ratio 2 : 3 : 7. Find the sum of the smallest and largest angle of the triangle.
The radius of a circle is 25 cm, and the length of the chord is 14 cm. Find the distance between the chord and the centre of the circle. Â
In a line PQ, is drawn parallel to BC, points P, Q being on AB and AC respectively. If AB = 3 AP, then what is the ratio of the area of t...
The length of the each side of an equilateral triangle is 42√3 cm . The area of circumcircle, (cm 2 ) is
Angles of a triangle are in the ratio 5 : 6 : 7. Find the difference between the largest and smallest angle of the triangle.
The length of the each side of an equilateral triangle is 14√3. The area of incircle, (cm 2 ) is
- Two chords, AB and CD, of a circle intersect at an external point E. Given that the lengths of BE and DE are 12 cm and 8 cm, respectively, and the total le...
If in a ΔABC, the external angle bisector of angle A, meets BC when extended at a point D, BD = 6cm , BC = 4 cm then what is AB:AC ?
The length of the each side of an equilateral triangle is 42√3. The area of incircle, (cm 2 ) is
