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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Wednesday, 16 December 2015

APPROXIMATIONS - 5

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Estimate the value of 2.3  x  0.064 solution = 2.3  x  0.064 = 2.0 x 0.06      [ 2.3 ≈ 2.0 to ones and 0.064 ≈ 0.06 to hundred...

LOGARITHMIC EQUATIONS - 7

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If Log a x = 46, find Log a ( 1 /x) Solution = Log a ( 1 /x) = Log a x -1 = -1 x Log a x = -1 x 46 = -46 TRY...

SIMPLE INTEREST-2

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Rayan deposited the amount of 80,000/= in a bank for 2 years and got a profit of 1200/=. Find the interest rate? Solution I = 1200...

EXPONENTIALS - 1

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If a 2 = 30; find the value of a 4 . solution a 4 = (a 2 ) 2 . a 4 = (30) 2 .   [ since a 2 = 30] a 4 = 30 x 30 a...

PERCENTAGE PROFIT - 1

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A man got a profit of 400/= after selling an item for 8000/=. Find the percentage profit. Solution %’ge profit =   Profit    X  10...

DIFFERENCE OF 2 SQUARES - 4

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Factorize 1-B 2 Solution We use difference of two squares a 2   – b 2   = (a - b)(a + b) 1-B 2   = 1 2 -B 2              ...

APPROXIMATIONS 4

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Estimate the value of 4143  ÷ 52. Solution = 4123            52 = 4000       [ since 4143 ≈ 4000   and   52 ≈ 50 ]      50...

SETS - 2

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If n(A)= 60 , n(AuB) = 160 and n(AnB)=10, find n(B) Solution n(AuB) = n(A) + n(B) - n(AnB)   160     = 60 + n(B)  – 10   1...

SIMPLE INTEREST-1

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Priya deposited the amount of 90000/= in a bank which gives an interest rate of 3% for 4 years. Find the simple interest she got. Solu...

DIFFERENCE OF 2 SQUARES 3

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Evaluate 2794 2   – 2784 2 Solution 2794 2   – 2784 2   = (2794 + 2784)( 2794 – 2784)                      = (5578)( 10)  ...
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