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9, sold goods for cash 14,000/=
15, bought goods for cash 1,000/=
19, paid rent 2,000/=
20, purchased goods 6,000/=
27, paid wages 5,000/=
28, sold goods on credit 1,000/=
By using these transactions, prepare the cash account.
8. (a) Find the first term and the common difference of an arithmetic progression whose 5th term is 21 and
8thterm is 30.
(b) Find the 10th term of a sequence whose first three consecutive terms are 5, 15 and 45. (Leave the
answer in exponent form.)
9. (a) In the following figure, AP is perpendicular to BC , AB = 13cm, BP = 5cm and AC = 15cm.
Calculate the lengths of AP and CP .
(b) From the top of a building 75 m high, John sees a lorry and a minibus along the road, both being
on one side of the building at the angles of depression of 30° and 60° respectively.
(i) Sketch a diagram representing this information.
(ii) Determine the distance between the cars, leaving the answer in surd form.
10. (a) Rachel is three years older than her brother John. Three years to come, the product of their ages will
be 130 years. Formulate a quadratic equation representing this information. Hence, by using the
quadratic formula, find their present ages.
(b) The sum of the squares of two consecutive positive numbers is 61. Find the numbers.
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