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PSLE 🏝 ZEC ✓ Official ZEC answers

Mathematics · Paper 1 · 2018

17 questions

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Questions (17)

Section A

1. 0 marks

Find the sum of five hundred and seventy two thousand, two hundred and thirty two and three hundred and thirteen thousand, three hundred and fourteen.

(none) Find the sum of 572,232 and 313,314. 0 mk

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2. 0 marks

Use factors tree to find the prime factors of 86.

(none) Find the prime factors of 86 using a factor tree. 0 mk

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3. 0 marks

Find the sum of (0.5×9) 𝑎𝑛𝑑 (0.3×6).

(none) Calculate the value of (0.5 * 9) + (0.3 * 6). 0 mk

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4. 0 marks

A swimming pool measures 25𝑚 𝑙𝑜𝑛𝑔,5𝑚 𝑤𝑖𝑑𝑒 𝑎𝑛𝑑 12𝑚 ℎ𝑖𝑔ℎ. What is its volume in liters?

(none) Calculate the volume of the swimming pool in cubic meters and then convert it to liters. 0 mk

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5. 0 marks

Find the value of 𝑚 𝑎𝑛𝑑 𝑛. 𝑚 𝑛+8 600 2

(none) Solve for m and n using the given proportion: m/(n+8) = 600/2. 0 mk

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6. 0 marks

Find the value of 𝑥 in the equation (2𝑥+4)+6 = 10?

(none) Solve the linear equation 2x + 4 + 6 = 10 for x. 0 mk

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7. 0 marks

The boat started from Zanzibar at It reached to Dar es Salaam at How much time boat has taken to reach Dar-es-Salaam?

(none) Calculate the time duration between the departure and arrival times (specific times are missing from the text). 0 mk

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8. 0 marks

What is the area of the figure shown below? 8cm 3cm 16cm

(none) Calculate the area of the composite figure (assuming it's a rectangle with a smaller rectangle removed or similar). The shape is not clearly defined from the text and dimensions alone. 0 mk

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9. 0 marks

Use the circle below to answer the following questions B D O A C a) What name is given to arc AC __________________________________________________________ __________________________________________________________ b) What name is given to line AB __________________________________________________________ __________________________________________________________ c) Why line DB is not equal to line AB? __________________________________________________________ __________________________________________________________

(a) What name is given to arc AC? 0 mk
(b) What name is given to line AB? 0 mk
(c) Why line DB is not equal to line AB? 0 mk

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10. 0 marks

Find the value of 𝑜𝑓(1/2 − 1/5) + (1/2 × 1/2).

(none) Calculate the value of (1/2 - 1/5) + (1/2 * 1/2). 0 mk

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Section B

11. 10 marks

a) Find the value of angle x in the figure below. [Diagram showing angles: x, 2x+250, x-90] b) Ali earns shillings 5400 after working for 24 days. How much money should receive if he is absent for 6 days?

(a) Find the value of angle x in the figure below. 5 mk
(b) Ali earns shillings 5400 after working for 24 days. How much money should receive if he is absent for 6 days? 5 mk

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12. 10 marks

a) Find the length of an equilateral triangle whose perimeter is 120cm. b) Asha borrowed shillings 10,000 for a period of 2 years. She charged compound interest at the rate of 15% per year. How much interest did she pay all together?

(a) Find the length of an equilateral triangle whose perimeter is 120cm. 5 mk
(b) Asha borrowed shillings 10,000 for a period of 2 years. She charged compound interest at the rate of 15% per year. How much interest did she pay all together? 5 mk

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13. 10 marks

a) A bag of sugar weighed 150kg. Juma bought 14 bags. He then removed 5kg of sugar from each bag. What total weight of sugar remained? b) Find the value of 4407 + 30/8

(a) A bag of sugar weighed 150kg. Juma bought 14 bags. He then removed 5kg of sugar from each bag. What total weight of sugar remained? 5 mk
(b) Find the value of 4407 + 30/8 5 mk

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14. 10 marks

a) Express 1/2 % as a fraction. b) If m and n are directly proportional to each other, copy and complete the following table: m | 15 | 10 | 0.2 n | 3 | 6 | 4

(a) Express 1/2 % as a fraction. 5 mk
(b) If m and n are directly proportional to each other, copy and complete the following table: 5 mk

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15. 10 marks

Complete the table below: Buying price in shillings | Selling price in shilling | Profit | Profit Percentage -------------------------|---------------------------|--------|------------------- 20,000 | | | 60% 35,000 | | 10,000 | 12000 | | 3000 | | 35,000 | | 25% | 12000 | 2000 | | | 5000 | 20%

(a) Complete the table. 10 mk

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16. 10 marks

a) In the year 2018, February 19th was Monday. What day was March 6th of the same year? b) The following table shows the masses in kg of fish sold by Juma. Mass of fish in kg | 15 | 20 | 25 | 30 | 35 | 40 Number of fish | 2 | 6 | 8 | 10 | 4 | 6 Draw the histogram of this information.

(a) In the year 2018, February 19th was Monday. What day was March 6th of the same year? 5 mk
(b) The following table shows the masses in kg of fish sold by Juma. Draw the histogram of this information. 5 mk

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