KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
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MATRICES | FORM 3 LEVEL | KCSE 1997 | SECTION B | PAPER 1The figure on the grid shows a triangular shaped object ABC and its image A'B'C'. (a)
(d) Hence find the area of the image A” B” C
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COMMERCIAL ARITHMETIC II | QUESTION 21 | KCSE 1996 | FORM 3 LEVEL | SECTION BKubai saved Kshs 2,000 during the first year of employment. In each subsequent year, he saved 15% more than the preceding year until he retired.
statistics ii | kcse 1996 | question 19 | paper 2 | section bIn an agricultural research centre, the length of a sample of 50 maize cobs was measured and recorded. The recorded measurements are presented in the frequency distribution table below. Calculate
QUESTION 19 | KCSE 2023 | pROBABILITY | PAPER 2 | FORM 3 LEVEL
QUESTION 18 | KCSE 2023 | COMMERCIAL ARITHMETIC II | PAPER 2 | FORM 3 LEVELA welfare group invested Ksh 75 000 in shares and another Ksh 75 000 in a piece of land for a period of 5 years. The shares appreciated in value at a rate of 6% per annum (p.a) for a period of 3 years. In the remaining period of 2 years, the shares appreciated in value at a rate of 4.5% every 6 months. During the 5 years, the piece of land appreciated in value at a constant annual rate. At the end of the 5th year, the values of the two investments were equal.
QUESTION 17 | KCSE 2023 | SEQUENCES & SERIES | PAPER 2 | FORM 3 LEVELThe first term of an arithmetic progression (A.P.) is a and the common difference d. The 7th term of the A.P. is 11. The sum of the first 12 consecutive terms of the A.P. is 123.
QUESTION 14 | KCSE 2023 | LINEAR MOTION | PAPER 2 | FORM 3 LEVELA stone was thrown upwards from a point 8 metres above the ground. The following graph shows the height, h metres of the stone above the ground at time / seconds in the interval 0 ≤ t ≤ 4. Determine the rate of change of h at t = 2 seconds. (3 marks)
QUESTION 13 | KCSE 2023 | FORMULA & VARIATIONS | PAPER 2 | FORM 3 LEVELA quantity v varies directly as the square of u and inversely as the cube root of w. When u = 5 and w = 8, the value of' v = 375. Find the value of v when u = 8 and w = 125. (3 marks)
QUESTION 12 | KCSE 2023 | QUADRATIC EQUATIONS | PAPER 2 | FORM 4 LEVELThe length and width of a rectangular floor of a room are 10 m and 7 m respectively. A rectangular carpet of area 28 m² is placed on the floor. The carpet leaves a uniform space of x m with each of the walls of the room.
Form a quadratic equation in x and hence solve for x. (3 marks) QUESTION 10 | KCSE 2023 | COMMERCIAL ARITHMETIC II | PAPER 2 | FORM 3 LEVELThe following table shows monthly income tax rates of a certain year. In that year, a monthly relief of Ksh 2 400 was allowed. The net tax on Lesianto's monthly income was Ksh 1 500.
Calculate Lesianto's monthly income. (3 marks) QUESTION 9 | KCSE 2023 | GRAPHICAL METHODS | PAPER 2 | FORM 3 LEVELThe following figure shows a circle centre O.
Given that p = 5i - j + 3k, q = 8i + j and r = 2p - q, determine the magnitude of r1/1/2024 QUESTION 8 | KCSE 2023 | VECTORS II | PAPER 2 | FORM 3 LEVELGiven that p = 5i - j + 3k, q = 8i + j and r = 2p - q, determine the magnitude of r. (3 marks)
QUESTION 6 | KCSE 2023 | TRIGONOMETRY II | PAPER 2 | FORM 3 LEVELSolve 6cos²(x) = 5sin(x) for 0≤x≤ 180°. (4 marks)
QUESTION 4 | KCSE 2023 | CIRCLES, CHORDS AND TANGENTS | PAPER 2 | FORM 3 LEVELIn this question, use a ruler and a pair of compasses. The following figure shows a circle, centre O. A tangent to the circle at P is drawn. Construct another tangent to the circle to intersect the drawn tangent at an angle of 60°. (3 marks)
QUESTION 3 | KCSE 2023 | Formula & Variations | PAPER 2 | FORM 3 LEVELQUESTION 2 | KCSE 2023 | Approximation & Errors | PAPER 2 | FORM 3 LEVELThe masses of two students in a class were measured as 30.5 kg and 36.8 kg. Determine the least possible difference in the masses of the two students. (3 marks)
The following figure shows a quadrilateral PQRS and a circle passing through the vertices R and S29/12/2023 QUESTION 22 | KCSE 2023 | TRIGONOMETRY II | PAPER 1 | FORM 3 LEVELThe following figure shows a quadrilateral PQRS and a circle passing through the vertices R and S. Lines PQ = PR = 2.7 cm, PS = 6 cm, SR = 7 cm and ∠PQR = 65°.
QUESTION 20 | KCSE 2023 | Commercial arithmetic II | PAPER 1 | FORM 3 LEVELNeema went to the market to buy bananas worth Ksh 2 100 for a school. The seller offered a discount of Ksh 3 per banana which enabled Neema to buy 35 more bananas.
QUESTION 16 | KCSE 2023 | GRAPHICAL METHODS | PAPER 1 | FORM 3 LEVELOn the following cartesian plane provided, solve the simultaneous equations.
y = 4/3 x + 2; 3y = x - 3 QUESTION 13 | KCSE 2023 | MATRICES | PAPER 1 | FORM 3 LEVELGiven Matrix P = [4 2]upper-row[-7 -1]lower-row, Q = [-1 5]upper-row[6 -3]lower-row and R = 20P^-1 + Q, Determine matrix R. (3 Marks)
QUESTION 10 | KCSE 2023 | COMMERCIAL ARITHMETIC II | PAPER 1 | FORM 3 LEVELA salesman sells story books and textbooks. The cost price of a story book is sh 600 while that of a textbook is sh 900. The salesman is paid a commission of 10% on the cost of any book sold. One day, the salesman sold twice as many story books as textbooks. He earned a commission of sh 8 400.
Determine the total number of story books sold. (3 marks) QUESTION 7 | KCSE 2023 | Quadratic Expressions | PAPER 1 | FORM 3 LEVELSimplify and hence factorise the expression (5x - 4y) (4x + 5y) - 9xy. (3 marks)
QUESTION 6 | KCSE 2023 | TRIGONOMETRY II | PAPER 1 | FORM 3 LEVELSolve the equation cos 2θ = sin θ for 0^c ≤ θ ≤ π^c/4. Leave the answer in terms of n^c.
(3 marks) QUESTION 20 | KCSE 2021 | COMMERCIAL ARITHMETIC II | PAPER 2 | FORM 3 LEVELThe table below shows income tax rates in a certain year. In the year, the monthly earnings of Kanini were as follows: Basic salary House allowance Ksh 64 500 Ksh 12 000 Kanini contributes 7.5% of her basic salary to a pension scheme. This contribution is exempted from taxation. She is entitled to a personal tax relief of Ksh 1 408 per month. Calculate:
In the figure below, points A, B, C, and E lie on the circumference of the circle centre O28/12/2023 QUESTION 19 | KCSE 2021 | ANGLE PROPERTIES OF A CIRCLE | PAPER 2 | FORM 3 LEVELIn the figure below, points A, B, C, and E lie on the circumference of the circle centre O. Line FAG is a tangent to the circle at A. Chord DE of the circle is produced to intersect with the tangent at F. Angle FAE = 30°, Angle EDC = 110° and Angle OCB =55°
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