September 24, 2022

 2017 Mathematics Alt B Paper 1 Section I (50 marks) 1. (a) Express 4732 in terms of its prime factors. (1 mark) (b) Find the smallest positive nmnber that must be multiplied by 4732 to make it a perfect square. (1 mark) 2. Three people Juma, Weru and Njeri went round a circular racing track, […]

2018 Mathematics Paper 2 Section I (50 marks) 1. Given that 2 log x2+log = k log x, find the value of k. (2 marks) 2. A variable P varies directly as t3 and inversely as the square root of s. When t = 2 and s = 9, P = 16. Determine the equation connecting

Kenya Certificate of Secondary Education 2018 Mathematics Paper 1 Section I (50 marks) Answer all the questions in this section. 1. Without using a calculator, evaluate:(3 marks) 2. Given that 6 2n-3= 7776, find the value of n. (3 marks) 3. The base of a right pyramid is a rectangle of length 80 cm and width

Kenya Certificate of Secondary Education 2019 Mathematics Paper 2 Section I (50 marks) Answer all the questions in this section. 1. Simplify √5+3∕ √5-2 . Give the answer in the form a + b∕c where a, b and c are integers. (2 marks) 2. Two types of flour, X and Y, cost Ksh 60 and

Kenya Certificate of Secondary Education 2019 Mathematics Paper 1 Section I (50 marks) Answer all the questions in this section. 1. Without using mathematical tables or a calculator, evaluate: 5.4∕ 0.025 x 3.6 (3 marks) 2. Express 1728 and 2025 in terms of their prime factors. Hence evaluate:(4 marks) ∛1728 √ 2025 3. Juma left

Kenya Certificate of Secondary Education 2020 Mathematics Paper 2 Section I (50 marks) Answer all the questions in this section.

2020 Mathematics Paper 1 Section I (50 marks) Answer all the questions in this section. 1. Without using mathematical tables or a calculator, evaluate –3(6 + –2) – –12 ÷ 4 + 5 –4 x –6 + –3 x 5(3 marks) 2.Express 5.5 as a mixed number (1 mark) 3. 3. Without using a calculator

2022 Mathematics Paper 2 Section I (50 marks) Answer all the questions in this section. 1. An empty tank of capacity 18480 litres is to be filled with water using a cylindrical pipe of diameter 0.028 m. The rate of flow of water from the pipe is 2 m/s. Find the time in hours it

2021 Mathematics Paper 1 Section I (50 marks) Answer all the questions in this section. 1. Evaluate 1⅘ ÷ ⅔ of 2¼ -3/10 OVER 5/6 + 22/39 + 1 2/11 2. Two bells ring at intervals of 35 and 42 minutes respectively. The bells ring together at 8.48 a.m. Determine the time when the bells

5.4.3 Physics Paper 3 (23213) PART A (d) (i) See graph (5 marks) Scale and axis Plotting Line 250—350 (ii) Slope = 2 ; \d (42 18) X 10 (iii) K d (1) = -4.2 >< 10* S‘cm’2; (3 marks) = / 41:<10 = 963 S“cm’2; 1. PART B (c) 1=0.1m b=0.0l m m=0.06 kg

5.4.2 Physics Paper 2 (232/2) SECTION A 1 angle of incidence = angle of reflection = 0 (1 mark) 2 larger hole acts as many small holes (1 mark) many overlapping images of same object (1 mark) 3 Within the magnet, N and S poles of the dipoles cancel out but at the end of

5.4.1 Physics Paper 1 (232/1) 1. 5.32 cm (1 mark) 2. – magnitude of the force – The perpendicular distance between the force and the pivot. (1 mark) 3. Patmosphere = Pmercury + pair enclosed; Pair = 760 – 600: = 160 mm Hg; (3 marks) 4. (a) F = Ke; 20 = 0.5 K;