Form 4 Mathematics
A theatre has a seating capacity of 250 people. The charges are Kshs. 100 for an ordinary seat and Kshs 160 for a special seat. It cost Kshs 16,000 to stage a show and the theater must make a profit. There are never more than 200 ordinary seats and for a show to take place at least 50 ordinary seats must be occupied. The number of special seats is always less than twice the number of ordinary seats.
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Form 2 MathematicsThe diagram on the grid provided below shows a trapezium ABCD on the same grid.
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Form 4 Mathematics
The line segment BC given below is one side of triangle ABC
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Form 4 Mathematics
The curve of the equation y = 2x + 3x2, has x = - ⅔ and x = 0 and x intercepts. The area bounded by the axis x = - ⅔ and x = 2 is shown by the sketch below.
Find:
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Form 3 Mathematics
The charge, C shillings per person for a certain seminar is partly fixed and partly inversely proportional to the total number N of people.
Answer*
Form 1 MathematicsA rally car traveled from point R to point S. S is 128 km on a bearing 0600 from R. The car then set off S at 9.30 am towards T at an average of 150 km/h. It was expected at T at 11.30 am. After traveling for I hour and 20 minutes it broke down at point P. The bearing of T and P from S is 3000.
Calculate the:
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Form 1 Mathematics
A construction company requires to transport 144 tonnes of stones to sites A and B. The company pays Kshs 24,000 to transport 48 tonnes of stone for every 28 km. Kimani transported 96 tonnes to a site A, 49 km away.
aNSWER
Related Questions on Commercial Arithmetic IForm 2 Mathematics
The frequency distribution table below shows the weekly salary (K£) paid to workers in a factory
On the grid provided draw a histogram to respect the information shown above
Answer*
Form 3 Mathematics
In the figure below, BT is a tangent to the circle at B. AXCT and BXD are straight lines
AX = 6cm, CT = 8cm, BX = 4.8 cm and XD = 5cm. 
Find the length of
(a) XC (b) BT
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Form 3 MathematicsExpand (1 + x)5, hence, use the expansion to estimate (1.04)5 correct to 4 decimal places
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Form 3 Mathematics
Find the value of x which satisfy the equation
52x – 6 × 5x + 5 = 0
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Form 3 Mathematics
Three representatives are to be selected randomly from a group of 7 girls and 8 boys. Calculate the probability of selecting two girls and one boy.
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Form 2 MathematicsA triangle is formed by the coordinates A (2,1), B(4,1) and C(1,6). It is rotated clockwise through 900 about the origin. Find the coordinates of this image.
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Form 4 MathematicsSolve the equation 2 sin2(x - 300) = cos 600 for – 1800 ≤ x ≤ 1800
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Form 1 Mathematics
Akinyi, Bundi, Cura, and Diba invested some money on a business in the ratio of 7 : 9 : 10 : 1 respectively. The business realized a profit of Kshs 46,800. They shared 12% of the profit equally and the remainder in the ratio of their contributions.
Calculate the total amount received by Diba
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Form 2 Mathematics
Find all the integral value of x which satisfy the inequalities
2 (2-x) < 4x - 9 < x + 11
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Form 4 Mathematics
The distance from a fixed point of a particular in motion at any time t seconds is given by
Find its:
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Form 1 Mathematics
A piece of wire P cm long is bent to form the shape shown in the figure below
The figure consists of a semicircular arc of radius r cm and two perpendicular sides of length x cm each.
Hence show that the area A cm2, of the figures is given by 
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Form 2 MathematicsTwo sides of a triangles are 5 cm each and the angle between them is 1200. Calculate the area of the triangle.
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Form 2 Mathematics
A passenger noticed that she had forgotten her bag in a bus 12 minutes after the bus had left. To catch up with the bus, she immediately took a taxi which traveled at 95 km/h. The bus maintained an average speed of 75 km/h. Determine;
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Form 2 Mathematics
Find equation of the perpendicular to the line x + 2y – 4 and passes through point (2,1)
ANSWER
Form 3 Mathematics | Topical Questions and Answers(a) Complete the table for the equation Y = 2 sin (3x + 300) 
(b) Using the grid provided, draw the graph of y = 2 sin ( 3x + 300) for 0 ≤ x ≤ 900. Take 1 cm to represent 50 on the x- axis and 2 cm to represent I unit on the y- axis (c) Use the graph in (b) to find the range of x that satisfy the inequality y3 ≤ 1.6 |
