# Time and work practice set 1

Time and work practice set 1 Example 1: Two boy alone or three girl alone can complete a piece of work in 4 days. In how many days can 1 girl and 1 boy together complete the same piece of work... Continue reading →

Time and work practice set 1 Example 1: Two boy alone or three girl alone can complete a piece of work in 4 days. In how many days can 1 girl and 1 boy together complete the same piece of work... Continue reading →

Average practice set 1 Example 1: The average of four consecutive even numbers A, B, C and D respectively is 35. What is the product of A & C ? Solution : let the first A = x 35 =... Continue reading →

Simplification practice Set 2 Example 1: 60% of 300 – ?% of 160 = 132 Solution : 60 x 300 – ? x 160 / 100 x 100 = 132 180 – ? x 1.6 = 132 ? =... Continue reading →

Simplification Practice Set 1 Example 1: (1097 – 447) / 5 = 26 x ? Solution: 650 / 5 x 26 = 5 Example 2: 640 / ? x 400 = 500 Solution : 640 x 4... Continue reading →

Permutation and Combination practice Set 1 Example 1: In how many different way the word “HOPE” can be arranged so as vowel always come together ? Solution : n = 4, r = 4 By formula : 4Pr = 4!... Continue reading →

Statistics Math Formulas : Statistics Math Formulas : SETS : A = {2, 3, 4, 7, 8, 9, 12} 3 ∈ A 5 ∉ A SUBSET: B = {3, 8, 9} ⇒ B ⊆ A C = {1, 5} ⇒... Continue reading →

Mathematical Matrix formula: What is matrix ? In mathematics matrix is rectangle shape of array of number, symbol and expressions which is arranged in columns and rows. Suppose the dimension of matrix is 2 x 3 we can say two... Continue reading →

Integration Mathematical Formula : 1. Common Integrals —————————————– —-Indefinite Integral——– ——-Integrals of Rational and Irrational Functions——- ——-Integrals of Trigonometric Functions—— ... Continue reading →

Derivative Mathematical Formulas LIMIT EVALUATION AT +- ∞ PROPERTIES OF LIMITS LIMIT EVALUATION AT ZERO Derivative Definition Basic Properties Mean Value Theorem Quotient Rule Power Rule ... Continue reading →

Mathematical Analytic Geometry : Analytic geometry is a coordinate system or branch of algebra that is used to model geometric objects like points, straight lines and circles angles in the cartesian plane, the geometry shapes are defined as using coordinate... Continue reading →

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