A disc has a diameter of 21 centimetres. What is the distance around the disc?

(Take ∏ = 3.14)

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During a Pre-technical studies practicals, a learner used a ladder to access the ceiling of their class. The ladder touched the wall at a height of 2 metres. If the ladder was placed 1.5 m from the foot of the wall, how long was the ladder?

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A teacher drew a straight line whose equation is:

2y = x + 1. 

Determine the value of x when y = 2

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During a public participation gathering, there were 4x women, 8y men and 160 youths. The number of men was 120 less than that of women. In total, 600 people attended the meeting

1. Find the values of x and y
2. How many men attended the meeting

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The hire purchase price of a sofa set consists of a deposit of Ksh. 32,000 and eight equal monthly installments of Ksh. 5,000.

1. Determine the hire purchase price of the sofa set

2. The hire purchase price is 20% more than the marked price. Work out the marked price

3. When bought on cash, a discount of 5% is allowed. How much does one pay on cash terms?

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Lillian harvested:

   3r - 125     Kgs

4xr - 16 x 5

of coffee from his farm. Express the mass of coffee that he  harvested in the simplest form

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The area of a sector of a circle is 19.25cm² . The angle at the centre is 45°. Calculate the radius of the sector take ( ∏ = ²²/₇)

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Otieno deposited Ksh. 90,000 in a bank. The bank paid simple interest at the rate of 9% per annum. He earned an interest of, Ksh. 24,300. Calculate the period that the deposit stayed in his bank account

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