Get premium membership and access questions with answers, video lessons as well as revision papers.
- A colony of insects was found to have 250 insects at the beginning. Thereafter the number of insects doubled every 2 days. Find how many insects there were after 16 days.
A colony of insects was found to have 250 insects at the beginning. Thereafter the number of insects doubled every 2 days. Find how many insects there were after 16 days.
Date posted: March 11, 2019
- Make V the subject of the formula
Date posted: March 11, 2019
- Find the inverse of the matrix
Date posted: March 11, 2019
- The average rate of depreciation in value of a water pump is 9% per annum. After three complete years its value was sh.150,700. Find its value at the start of the three-year period.
The average rate of depreciation in value of a water pump is 9% per annum. After three complete years its value was sh.150,700. Find its value at the start of the three-year period.
Date posted: March 11, 2019
- Simplify the question below
Date posted: March 11, 2019
- A man walks 5km on a bearing of 3150 from a point A and then walks due south to a point B which is 8km from A. Calculate the bearing of B from A.
A man walks 5km on a bearing of 3150 from a point A and then walks due south to a point B which is 8km from A. Calculate the bearing of B from A.
Date posted: March 11, 2019
- The length and breadth of a rectangular paper were measured to the nearest centimeter and found to be 18cm and 12 cm respectively. Find the percentage error in its perimeter.
The length and breadth of a rectangular paper were measured to the nearest centimeter and found to be 18cm and 12 cm respectively. Find the percentage error in its perimeter.
Date posted: March 11, 2019
- Find the length of the mat in the question below
Date posted: March 11, 2019
- A rally car traveled for 2 hours 40 minutes at an average speed of 120km/h. The car consumes an average of 1 liter of fuel for every 4 kilometers. A liter of fuel costs ksh 59.
A rally car traveled for 2 hours 40 minutes at an average speed of 120km/h. The car consumes an average of 1 liter of fuel for every 4 kilometers. A liter of fuel costs ksh 59. Calculate the amount of money spent on the fuel.
Date posted: March 11, 2019
- Given the inequalities x-5=3x -8<2x -3
a) Solve the inequalities
b) Represent the solution on a number line.
Given the inequalities x-5=3x -8<2x -3
a) Solve the inequalities
b) Represent the solution on a number line.
Date posted: March 11, 2019
- Simplify the expression
Date posted: March 11, 2019
- The volume of a cube is 1728cm3. Calculate correct to 2 decimal places, the length of the diagonal of a face of the cube.
The volume of a cube is 1728cm3. Calculate correct to 2 decimal places, the length of the diagonal of a face of the cube.
Date posted: March 11, 2019
- Given that 62n-3 = 7776, find the value of n
Given that 62n-3 = 7776, find the value of n
Date posted: March 11, 2019
- A commercial bank buys and sells Japanese Yen in Kenya Shillings at the rates shown below.
A commercial bank buys and sells Japanese Yen in Kenya Shillings at the rates shown below.
Buying Selling
Sh. 0.5024 sh. 0.5446
A Japanese tourist at the end of his tour of Kenya was left with sh. 30,000 which he converted to Japanese Yen through the commercial bank. How many Japanese yen did he get?
Date posted: March 11, 2019
- The sum of interior angles of a regular polygon is 18000. Find the size of each exterior angle.
The sum of interior angles of a regular polygon is 18000. Find the size of each exterior angle.
Date posted: March 11, 2019
- Find the value of x which satisfies the equation: 16x2 =84x-3
Find the value of x which satisfies the equation: 16x2 =84x-3
Date posted: March 11, 2019
- Use logarithms to evaluate the question below
Date posted: March 11, 2019
- Factorize completely the expression below
Date posted: March 11, 2019
- Find the cos(90 – x)0 giving the answer to 4 significant figures.
Date posted: March 11, 2019
- The cost of 2 jackets and 3 shirts was ksh. 1800. After the cost of a jacket and that of a shirt were increased by 20%, the cost of 6 jackets and 2 shirts was ksh. 4800. Calculate the new cost of a jacket and that of a shirt.
The cost of 2 jackets and 3 shirts was ksh. 1800. After the cost of a jacket and that of a shirt were increased by 20%, the cost of 6 jackets and 2 shirts was ksh. 4800. Calculate the new cost of a jacket and that of a shirt.
Date posted: March 13, 2019