Get premium membership and access questions with answers, video lessons as well as revision papers.
- A number m is formed by writing all the prime numbers between 0 and 10 in an ascending order. Another number n is formed by writing all the square numbers between 0 and 10 in a descending order.
A number m is formed by writing all the prime numbers between 0 and 10 in an ascending order. Another number n is formed by writing all the square numbers between 0 and 10 in a descending order.
a) Find m – n;
b) Express (m-n) as a product of its prime factors.
Date posted: March 15, 2019
- Ntutu had cows, sheep and goats in his farm. The number of cows was 32 and number of sheep was twelve times the number of cows. The number of goats was 1344 more than the number of sheep.
Date posted: March 15, 2019
- a) Evaluate 540 396 – 726 450 ÷ 3
b) Write the total value of the digit in the thousands place of the results obtained in a) above
a) Evaluate 540 396 – 726 450 ÷ 3
b) Write the total value of the digit in the thousands place of the results obtained in a) above
Date posted: March 15, 2019
- Given that a= 3 and b=5,evaluate the question below
Date posted: March 15, 2019
- The lengths of three wires were 30 m, 36 m and 84 m. Pieces of wire of equal length were cut from the three wires. Calculate the least number of pieces obtained.
The lengths of three wires were 30 m, 36 m and 84 m. Pieces of wire of equal length were cut from the three wires. Calculate the least number of pieces obtained.
Date posted: March 15, 2019
- Maize flour is packed in 2 kg packets and placed in bundles each containing 12 packets. A lorry was loaded with 250 bundles of maize flour. How many tonnes of maize flour was the lorry carrying?
Maize flour is packed in 2 kg packets and placed in bundles each containing 12 packets. A lorry was loaded with 250 bundles of maize flour. How many tonnes of maize flour was the lorry carrying?
A.6,000
B.4,800
C.4.8
D.6
Date posted: March 19, 2019
- A jerrycan contains 5 liters of water. This water is used to fill three containers each of radius 7 cm and height 10 cm. How many milliliters of water are left over in the jerrycan?
A jerrycan contains 5 liters of water. This water is used to fill three containers each of radius 7 cm and height 10 cm. How many milliliters of water are left over in the jerrycan?
A.380
B.480
C.400
D.420
Date posted: March 19, 2019
- A triangle has an area of 48 cm2. The length of the triangle is (5x – 4)cm and its height 6cm. What is the value of x?
A triangle has an area of 48 cm2. The length of the triangle is (5x – 4)cm and its height 6cm. What is the value of x?
Date posted: March 19, 2019
- In the month of October farmers delivered 48,750 kg of coffee berries to a factory. In November the amount of coffee berries delivered was 1,850 kg more than that delivered in October.
In the month of October farmers delivered 48,750 kg of coffee berries to a factory. In November the amount of coffee berries delivered was 1,850 kg more than that delivered in October. The amount delivered in December was 2,450 kg less than the amount delivered in November. How many kilograms of coffee berries were delivered in the three months altogether?
A.145,650
B.147,500
C.152,400
D.150,550
Date posted: March 19, 2019
- Sheila paid a sales agent a commission of 5% of the price at which he sold the car. If this commission amounted to sh 27,000 , how much money was Sheila left with?
Sheila paid a sales agent a commission of 5% of the price at which he sold the car. If this commission amounted to sh 27,000 , how much money was Sheila left with?
A.sh 540,000
B.sh 567,000
C.sh 513,000
D.sh 459,000
Date posted: March 19, 2019
- The cash price of a television set is sh 18,000. The hire purchase price of the television is 20% more than its cash price.
The cash price of a television set is sh 18,000. The hire purchase price of the television is 20% more than its cash price. Songok bought the television on hire purchase by paying 40% of the hire purchase price as deposit and the balance in equal monthly installments of sh 1,620. How many installments did he pay?
A.12
B.10
C.9
D.8
Date posted: March 19, 2019
- A closed cylindrical container has a base area of 616 cm2 and height 20 cm. What is the total surface area of the container in cm2 ?
A closed cylindrical container has a base area of 616 cm2 and height 20 cm. What is the total surface area of the container in cm2 ?
A.2,376
B.1,232
C.1,760
D.2,992
Date posted: March 19, 2019
- A motorist travelling at a speed of 80km/h took 4 and a half hours to drive from town A to town B. He drove back to town A in 4 hours. At what speed in kilometers per hour did he drive on the return journey?
A motorist travelling at a speed of 80km/h took 4 and a half hours to drive from town A to town B. He drove back to town A in 4 hours. At what speed in kilometers per hour did he drive on the return journey?
A.90
B.72
C.80
D.100
Date posted: March 19, 2019
- Ankwendu Primary School has r pupils and Matheka Primary School has s pupils. A third school, Kapsoti Primary School has 150 pupils less than the total number of pupils in Ankwendu and Matheka Primary Schools.
Ankwendu Primary School has r pupils and Matheka Primary School has s pupils. A third school, Kapsoti Primary School has 150 pupils less than the total number of pupils in Ankwendu and Matheka Primary Schools. Which one of the following expressions gives the total number of pupils in the three schools?
A. 2r+2s-150
B. r+s-150
C. 2r+2s+150
D. r+s+300
Date posted: March 19, 2019
- Musa paid sh 1,350 for a jacket after he was given a discount of sh 150. What was the percentage discount given?
Musa paid sh 1,350 for a jacket after he was given a discount of sh 150. What was the percentage discount given?
Date posted: March 19, 2019
- Mueni and Chebet each made 126 kg of a mixture of maize and beans. Mueni mixed maize and beans in the ratio 4:3 while Chebet mixed maize and beans in the ratio 5:4. How many more kilograms of maize did Mueni use than Chebet?
Mueni and Chebet each made 126 kg of a mixture of maize and beans. Mueni mixed maize and beans in the ratio 4:3 while Chebet mixed maize and beans in the ratio 5:4. How many more kilograms of maize did Mueni use than Chebet?
A.2
B.6
C.3
D.4
Date posted: March 19, 2019
- What fraction of his free time does Ole Mpesha spend playing?
Date posted: March 19, 2019
- A bus covers a distance of 240 km everyday. It consumes 1L of diesel for every 4 km. Diesel costs sh 43.50 per litre. How much money does the bus spent on diesel in one week?
A bus covers a distance of 240 km everyday. It consumes 1L of diesel for every 4 km. Diesel costs sh 43.50 per litre. How much money does the bus spent on diesel in one week?
A.sh 19,110
B.sh 17,850
C.sh 18,060
D.sh 18,270
Date posted: March 19, 2019
- A rectangle measures 12cm long and 10cm wide. The length of the rectangle is increased in the ratio 3:2 while its breadth is decreased in the ratio 4:5. By what ratio is the area of the rectangle increased?
A rectangle measures 12cm long and 10cm wide. The length of the rectangle is increased in the ratio 3:2 while its breadth is decreased in the ratio 4:5. By what ratio is the area of the rectangle increased?
A. 6 : 5
B.5 : 4
C.3 : 2
D.4 : 3
Date posted: March 19, 2019
- The table below shows postal charges for sending registered letters and parcels up to a maximum of 7g.
The table below shows postal charges for sending registered letters and parcels up to a maximum of 7g.
A.sh 285.70
B.sh 285.80
C.sh 285.00
D.sh 286.00
Date posted: March 19, 2019