MATHEMATICS PROBLEM SOLVER

It is a site for parents, students and teachers. This site can help O-LEVEL or GCSE secondary school students in mastering mathematics subject. It intends to involve the learners by making them follow up the examples before they can do questions on their own at the TRY THIS.... section. There are some videos, tests, quizzes and past examination questions. Learning the examples will ultimately give students the required confidence in solving various questions in mathematics.

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Monday, 11 April 2016

SIMULTANEOUS EQUATIONS-1

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Solve the following equations by substitution method. 2x - y = 5 x + 3y = 27 Solution 2x - y = 5 ----------- (i) x + 3y = 27...

ALGEBRA-2

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Divide 68ax + 34ay - 51az by 17a. solution = 68ax + 34ay - 51az               17a = 4 68a x   +  2 34a y   -  3 51a z       ...

ARITHMETIC PROGRESSION-1

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The 1st term of an A.P. is 73 and the common difference is 16. Find the 10th term. Solution A 1 = 73, d = 20 A n = A 1 + (n-...

APPROXIMATIONS-1

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Estimate the value of 27 x 71. solution round off to tens 27 ≈ 30  [approximating to 30] 71 ≈ 70  [approximating to 70] ...

INEQUALITIES-1

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If 3x – 47   ≤   x + 5   ≤   21x; find x solution 3x – 47   ≤   x + 5 and  x + 5   ≤   21x 3x – x   ≤   47+ 5 and  5   ≤   21x...

DIFFERENCE OF 2 SQUARES-1

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Evaluate 3994 2   – 3984 2 Solution 3994 2   – 3984 2   = (3994 + 3984)( 3994 – 3984)                      = (7978)( 10)     [...

LOGARITHMS-1

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Evaluate Log 2 (256 ÷ 4). Solution = Log 2 (256 ÷ 4) = Log 2 256 -  Log 2 4          (applying the quotient rule) = Log 2 ...
Friday, 1 April 2016

APPROXIMATIONS-2

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Estimate the value of 5.2  x  0.034 solution = 5.2  x  0.034 = 5.0 x 0.03       [ 5.2 ≈ 5.0 to ones and 0.034 ≈ 0.03 to hundre...

ALGEBRA-1

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What is x if 2x + 5y = 40 and y=6? solution 2x + 5y = 40 2x + 5(6) = 40;           [since y=6.] 2x + 30 = 40 2x = 40 -...

POLYGONS-1

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A regular polygon has 55 sides. Find the total angles of that polygon. Solution n = 88 Total angles = (n - 2)180 0        ...
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