Simon Thomas

Ratio Questions

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Split winnings in a ratio

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Ratios used in alloys and mixing paints

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Ratio Questions

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Solving for a geometric series

Solving for a geometric series

Solving for a geometric series

Solving for a geometric series

Find the sum of the first n terms of a Geometric progression

Find the sum of the first n terms of a Geometric progression

Find the nth term of a Geometric progression

Find the common ratio of a given geometric sequence, write down the formula for the nth term and use it to calculate a given term in the sequence.

Solving arithmetic progressions using simultaneous equations

Solving arithmetic progressions using simultaneous equations

Find the sum of the first n terms of an arithmetic progression

Find the nth term of an Arithmetic progression

Given the first three terms of a sequence, give a formula for the $n^\text{th}$ term.

In the first sequence, $d$ is positive. In the second sequence, $d$ is negative.

Given sequences with missing terms, find the common difference between terms.

Given the first few terms of an arithmetic sequence, write down its formula, then find a couple of particular terms.

Including VAT

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Cost price, selling price, profit and loss

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Finding the exVAT price

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Profit and Loss, Percentages

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Simple Percentages

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What is the change in price if the VAT changes

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VAT

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Finding the cost including VAT

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Basic Percentages Question

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Percentages

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Introduction to percentage

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