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Mathematics Paper 1 Question PaperSort by: Number Topics
KCSE CLUSTER TESTS 27
Mathematics Paper 1
SECTION A (50 Marks)
Oketch sells his car to Jane and makes a profit of 17%. Jane sells the same car to Issa at Sh.300, 000, making a loss of 10%. Determine the price at which Oketch bought the car.
Given and x is an acute angle, find without using tables and calculators Cos x + tan (90-x), leaving your answer in the form
Mr. Owino spends
1/4 of his salary on school fees. He spends
2/3 of the remainder on food and a fifth of what is left on transport. He saves the balance. In a certain month he saved Sh.3400.
What is his salary?
A straight line passes through points A (-2, 6) and B (4, 2). a) M is the midpoint of line AB. Find the co-ordinates of M.
Without using tables or calculator evaluate
In a book store, books packed in cartons are arranged in rows such that there are 50 cartons in the first row, 48 cartons in the next row, 46 in the next and so on. a) How many cartons will be there in the 8th row?
b) If there are 20 rows in total, find total number of cartons in the book store.
A rectangle whose area is 96m2 is such that its length is 4m longer than its width. Find a) Its dimensions
b) Its perimeter
In triangle ABC below, AC=BC, AB is parallel to DE, AB=15cm, DE=7.5cm and BE=6cm.
a) Length CE
b) Area of quadrilateral ABED.
A salesman gets a commission of 2.4% on sales up to sh.100, 000.He gets additional commission of 1.5% on sales above this. Calculate the commission he gets for sales worth sh.280, 000.
A bus and a car leave Nairobi at 7.30am and 9.30am respectively. If their speeds are 60km/h and 100km/h respectively, find the time when the car catches up with the bus.
The table below shows the number of children per house in a certain village.
(i) The mean number of children per house to the nearest whole number.
(ii) The median
. Solve the inequality below and state the integral values of your solution.
A measuring cylinder of radius 5cm contains water whose level reads 6cm high. A spherical object is immersed in the water and the new level reads 10cm. Calculate the radius of the spherical obj
Solve the equation
SECTION B (50 Marks)
The table below shows marks scored by a class in a math test.
a) Draw a histogram for the distribution above, on a graph paper.
b) i) State the group in which the median lies.
ii) A vertical line drawn through the median mark divides the total area of the Histogram into 2 equal parts. Using the information, estimate the median mark.
Karis owns a farm that is triangular in shape as shown below
a) Calculate the size of angle BAC.
b) Find the area of the farm in hectares.
c) Karis wishes to irrigate his farm using a sprinkler machine situated in the farm
such that it is equidistant from points A,B and C.
i) Calculate the distance of the sprinkler from point C.
ii) The sprinkler rotates in a circular motion so that the maximum point reached by
the water jets is the vertices A,B, and C. Calculate the area outside his farm that
will be irrigated.
The diagram below is a right pyramid on a rectangular base.
Given that the volume of the solid is 280m3 and its base area is 60cm2 and that AB:BC=3:5, determine
i) the height of the pyramid.
ii) the length and width of the base.
iii) the slant edge of the pyramid
Triangle ABC has vertices A(-5,-3),B(-3,-5) and C(-3,-1).
a) Plot triangle ABC and its image A1B1C1 under reflection in the line y=-x. (3mks)
b) AIIBIICII is the image of AIBICI under rotation centre (0,0) through a positive quarter turn. Plot A11B11C11 and state its co-ordinates.
c) A3B3C3 with coordinates A3( 7.5,-4.5),B3(4.5,-7.5) and C3(4.5,-1.5) is the image of A11B11C11 under a certain transformation. Plot A3B3C3 and describe this transformation. (2mks)
d) A4(5,-1.5) is the image of A3 under translation. State the co-ordinates of B4
. Maru Secondary School consumes 40 bags of maize and 25 bags of beans per term. Kadu Secondary School consumes 35 bags of maize and 18 bags of beans per term. The schools purchase the grains from the same grain store. Maru pays sh.380,000 while Kadu pays sh.301,500 for the grains.
a) Write down two equations representing the cost of grains in the two schools.
b) Using matrix method , calculate the cost of each bag of maize and beans.
c) The following term the price of each bag of maize increased by 20% while that of beans decreased by 15%.
i) How much did Maru pay for the grains?
ii) If the school enrolment increased by 10% and the food ration also increased proportionally, how much would the school spend on the grains?
A ship leaves port M and sails on a bearing of 0500 heading towards Island L. Two navy destroyers sail from a noval base N to intercept the ship. Destroyer A sails such that it covers the shortest distance possible. Destroyer B sails on a bearing of 200 to L. If the bearing of N from M is 1000 and distance NM=300Km, Using a scale of 1cm to represent 50Km, determine
i) the positions of M,N and L.
ii) the distance travelled by destroyer A.
iii) the distance travelled by destroyer B.
iv) the bearing of N from L.
The table below shows values for the function
a) Complete the table above.
b) Draw the graph of
PASTE A GRAPH
c) Use your graph to solve the equation. i) 5+8x-2x2=0
d) State the equation of the line of symmetry of the curve y=5+8x-2x2