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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Friday, 23 September 2022

PROBABILITY F1

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  A bag contains 4 red balls and 8 blue balls. Two balls are taken from the bag. What is the probability that they are both red?   Solution ...

ALGEBRA 3F

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  The sum of four consecutive even numbers is 316. Find the 3rd number.   Solution   Let the numbers be as shown in the table below...

ALGEBRA F3

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  The sum of four consecutive even numbers is 316. Find the 3rd number.   Solution   Let the numbers be as shown in the table below...

LOGARITHMS F9

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  Evaluate Log1,000,000,000 -  log 0.01 + log 3 243   Solution   = Log1,000,000,000 -  log 0.001 + log 3 243   = Log10 9 -  l...

VARIATIONS F1

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  x is inversely proportional to y. x=22 while y=5. Find y when x is 10.   Solution   x ⍺ k       y   x = k       y   22 = k         5   k ...

LOGARITHMS F8

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  Simplify Log 2 256 - Log 3 729   Solution   = Log 2 256 - Log 3 729   = Log 2 2 8 - Log 3 3 5    [Since 256=2 8 and 729=3 6 ].   = 8Log ...

LENGTH OF AN ARC F1

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  Find the length of an arc if the radius of the circle is 70cm.   Solution   L = ∏ r       180 0   L = ∏ x  70              180 0   L = 7 ...

COMPOUND INTEREST F1

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Mwakajonga invested a certain amount of money in a bank which gives an interest rate of 20% compounded annually. How much did she invest at ...

EXPAND F1

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  Expand 11w(5w + 3 - 11w)   Solution   = 11w(5w + 3 - 11w)   = (11w x 5w) + (11w x 3) - (11w x 11w)   = 55w 2 + 33w - 121w 2   = [55w 2 ...

LOGARITHMS F7

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  If log x 2401 – log 3 729 = -2; find x   solution   log x 2401 – log 3 729 = -2   log x 2401 – log 3 3 6 = -2   log x ...
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