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- A variable P varies directly as t3 and inversely as the square root of s.When t=2 and s=9,P=16
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 p,t and s
Form 3, Mathematics: Formula and Variation
Date posted: February 19, 2019.
- A trader bought maize for ksh 20 per kilogram and beans for ksh 60 per kilogram. She mixed them and sold the mixture at ksh 48 per kilogram
A trader bought maize for ksh 20 per kilogram and beans for ksh 60 per kilogram. She mixed them and sold the mixture at ksh 48 per kilogram.If she made a 60% profit,determine the ratio of maize:beans in the mixture.
Form 3, Mathematics: Mixtures and Ratios
Date posted: February 19, 2019.
- The sum of four consecutive odd numbers is 88. Find the numbers
The sum of four consecutive odd numbers is 88. Find the numbers
Form 1, Mathematics: Numbers
Date posted: February 19, 2019.
- The mean mass of 18 form 4 boys is 64 kg. When their class teacher is added the mean becomes 65 kgs.
The mean mass of 18 form 4 boys is 64 kg. When their class teacher is added the mean becomes 65 kgs. What is the mass of the class teacher in kilograms.
Form 2, Mathematics: Statistics 1
Date posted: February 19, 2019.
- Solve the equation 9x + 3 = 243
Solve the equation 9x + 3 = 243
Form 2, Mathematics: Logarithms and Indices
Date posted: February 19, 2019.
- The volume of two similar solid spheres are 4752cm³ and 1408cm³. If the surface area of the small sphere is 352cm²
The volume of two similar solid spheres are 4752cm³ and 1408cm³. If the surface area of the small sphere is 352cm², find the surface area of the larger sphere.
Form 2, Mathematics: Similarity and Enlargement
Date posted: February 19, 2019.
- A solid metal cylinder with radius 7 cm and height 5 cm is melted down and recast into a spherical ball. Calculate to 1 decimal place the surface area of this ball.
A solid metal cylinder with radius 7 cm and height 5 cm is melted down and recast into a spherical ball. Calculate to 1 decimal place the surface area of this ball.
Form 2, Mathematics: Common Solids
Date posted: February 19, 2019.
- The mass of a mixture A of beans and maize is 72 kg. The ratio of beans to maize is 3: 5 respectively. Find the mass of maize in the mixture
The mass of a mixture A of beans and maize is 72 kg. The ratio of beans to maize is 3: 5 respectively. Find the mass of maize in the mixture.
Form 1, Mathematics: Rates, Ratios, Proportions and Percentages
Date posted: February 19, 2019.
- A mother is now two and half times as old as her daughter Mary. Four years ago the ratio of their ages was 3:1. Find the present age of the mother
A mother is now two and half times as old as her daughter Mary. Four years ago the ratio of their ages was 3:1. Find the present age of the mother
Form 1, Mathematics: Rates, Ratios, Proportions and Percentages
Date posted: February 19, 2019.
- The interior angle of a regular polygon is 108 degrees larger than the exterior angle. How many sides have the polygon?
The interior angle of a regular polygon is 108 degrees larger than the exterior angle. How many sides have the polygon?
Form 1, Mathematics: Angles and Plane Figures
Date posted: February 19, 2019.
- A motorist cycles a certain distance from X to Y at 10km/hr, he returns at 12km/hr. The total time taken is 1hr 50min. Find the distance XY.
A motorist cycles a certain distance from X to Y at 10km/hr, he returns at 12km/hr. The total time taken is 1hr 50min. Find the distance XY.
Form 2, Mathematics: Linear Motion
Date posted: February 19, 2019.
- Solve the following inequalities and represent the solution on a number line and hence state the integral values of x
Solve the following inequalities and represent the solution on a number line and hence state the integral values of x
7x – 4= 9x + 2‹3x + 14
Form 2, Mathematics: Linear Inequalities
Date posted: February 19, 2019.
- The interior angles of an octagon are 2x,1/2x,(x + 40)°,110°,135°,160°,(2x + 10)° and 185°. Find the value of x
The interior angles of an octagon are 2x,1/2x,(x + 40)°,110°,135°,160°,(2x + 10)° and 185°. Find the value of x
Form 1, Mathematics: Angles and Plane Figures
Date posted: February 19, 2019.
- A wholesaler sold a radio to a retailer making a profit of 20%. The retailer later sold the radio for Ksh 1560 making a profit of 30%
A wholesaler sold a radio to a retailer making a profit of 20%. The retailer later sold the radio for Ksh 1560 making a profit of 30%. Calculate the amount of money the wholesaler had paid for the radio.
Form 1, Mathematics: Commercial Arithmetic 1
Date posted: February 19, 2019.
- Solve the equation 2log x - log (x-2)=2 log 3
Solve the equation 2log x - log (x-2)=2 log 3
Form 3, Mathematics: Further Logarithms
Date posted: February 18, 2019.
- Given that OA = 2i + 3j and OB = 3i - 2j, find the magnitude of AB to one decimal place
Given that OA = 2i + 3j and OB = 3i - 2j, find the magnitude of AB to one decimal place
Form 2, Mathematics: Vectors 1
Date posted: February 18, 2019.
- A line with gradient of -3 passes through the points (3, k) and (k, 8). Find the value of k
A line with gradient of -3 passes through the points (3, k) and (k, 8). Find the value of k and hence express the equation of the line in the form ax + by = c, where a, b and c are constants.
Form 2, Mathematics: Equations of Straight Lines
Date posted: February 18, 2019.
- Kitonga deposited Ksh 50000 in a bank which paid compound interest at the rate of 10% per annum. Find the compound interest accrued by the end of the fourth year.
Kitonga deposited Ksh50000 in a bank which paid compound interest at the rate of 10% per annum. Find the compound interest accrued by the end of the fourth year.
Form 3, Mathematics: Commercial Arithmetic 2
Date posted: February 18, 2019.
- The position of towns M and N are M(0 °, 5 l °W) and N(0 °, 37 °E). Find the distance between the two
The position of towns M and N are M(0 °, 5 l °W) and N(0 °, 37 °E). Find the distance between the two towns in kilometres, correct to one decimal place. (Take the radius of the earth as 6370km and p = 22/7)
Form 4, Mathematics: Longitude and Latitude
Date posted: February 18, 2019.
- Given that 5, x, 35 and 84 are in proportion, find the value of x
Given that 5, x, 35 and 84 are in proportion, find the value of x
Form 3, Mathematics: Formula and Variation
Date posted: February 18, 2019.
- During a prize-giving day in a school,there were 4 times as many students as parents,the girls were 84 more than the boys.
During a prize-giving day in a school,there were 4 times as many students as parents,the girls were 84 more than the boys.If there were 630 girls,find the number of parents present.
Form 1, Mathematics: Equations Word Problem
Date posted: February 18, 2019.
- Given that 3x + 5y = 300 and x + y = 78,find the value of 10x + 15y
Given that 3x + 5y = 300 and x + y = 78,find the value of 10x + 15y
Form 1, Mathematics: Linear Equations
Date posted: February 18, 2019.