Exam Mission

Q 1. A can do a bit of work in 8 days, which B alone can do in 10 days in how long . In how long both cooperating can do it? A - 40/9 days B...

Partnership: When two or more than two persons run a business jointly, they are called  partners  and the deal is known as  partnership...

Important Formulas on "Problems on Ages" : 1. If the current age is  x , then  n  times the age is  nx . 2. If the current a...

Minute Spaces: The face or dial of watch is a circle whose circumference is divided into 60 equal parts, called minute spaces. Hour H...

FUNDAMENTAL CONCEPTS Results on Triangles: Sum of the angles of a triangle is 180°. The sum of any two sides of a triangle is g...

Factorial Notation: Let  n  be a positive integer. Then, factorial  n , denoted  n ! is defined as: n! = n(n - 1)(n - 2) ... 3.2.1. ...

Decimal Fractions: Fractions in which denominators are powers of 10 are known as  decimal fractions . Thus, 1 = 1 tenth = .1;        ...