Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Or go directly to:

Class notes Holiday assignments Topical questions Other resources

Wekesa and Ndinda working together can cultivate a piece of land in 6 days. Wekesa alone can complete the work in 15 days. After the...

Wekesa and Ndinda working together can cultivate a piece of land in 6 days. Wekesa alone can complete the work in 15 days. After the two had worked for 4 days Wekesa withdrew the services. Find the time taken by Ndinda to complete the remaining work.

Answers

Kavungya answered the question on September 23, 2019 at 13:34

Answer Attachments

Next: Kanusha sentensi ifuatayo :- Kuliko na vita kwahitaji amani.

Previous: Yakinisha sentensi ifuatayo katika wakati ujao hali timilifu wingi. Msomi hakutuzwa siku hiyo.

View more Mathematics Questions and Answers | Return to Questions Index

Exams With Marking Schemes

Related Questions

Expand upto the term in x³. Hence use the expansion above to find the approximate value of (101)⁵ (Solved)

Expand upto the term in x³. Hence use the expansion above to find the approximate value of (101)⁵

Date posted: September 23, 2019 . Answers (1)
Determine the centre and the radius of a circle whose equation is x² + 2x = 16y - y² (Solved)

Determine the centre and the radius of a circle whose equation is x² + 2x = 16y - y²

Date posted: September 23, 2019 . Answers (1)
A box contains 36 balls all of the same size and shape, if y of the balls are red, 19 are white and the rest... (Solved)

A box contains 36 balls all of the same size and shape, if y of the balls are red, 19 are white and the rest are blue. A ball is picked from the box at random. If the probability that this ball is red is 1/3 Find
(a)The value of y
(b)The probability that the ball picked is blue.

Date posted: September 23, 2019 . Answers (1)
Make Q the subject of the formula. (Solved)

Make Q the subject of the formula.

Date posted: September 23, 2019 . Answers (1)
Calculate the standard deviation (S.D) for the set of numbers given: 4, 6, 12,3,9,8. (Solved)

Calculate the standard deviation (S.D) for the set of numbers given:
4, 6, 12,3,9,8.

Date posted: September 23, 2019 . Answers (1)
Find the compound interest on Ksh. 21,000 in 3 years at a Rate of 20% P.a. Compounded semi annually. (Solved)

Find the compound interest on Ksh. 21,000 in 3 years at a Rate of 20% P.a. Compounded semi annually.

Date posted: September 23, 2019 . Answers (1)
An aeroplane flies 125km in the direction 110⁰. It then changes course and flies for 170km in the direction of 160⁰. Find by calculation its... (Solved)

An aeroplane flies 125km in the direction 110⁰. It then changes course and flies for 170km in the direction of 160⁰. Find by calculation its distance from the starting point.

Date posted: September 23, 2019 . Answers (1)
Find the sum of the first 10 terms of the series: Log x + log x² + log x³…………… (Solved)

Find the sum of the first 10 terms of the series: Log x + log x² + log x³……………

Date posted: September 23, 2019 . Answers (1)
The figure below is a segment of a circle cut-off by chord AB. Line MX is perpendicular Bisector of chord AB. If AB is 20cm ad... (Solved)

The figure below is a segment of a circle cut-off by chord AB. Line MX is perpendicular Bisector of chord AB.

If AB is 20cm ad MX is 6cm. Calculate the radius of the circle from which the chord was cut.

Date posted: September 23, 2019 . Answers (1)
Solve the simultaneous equations: (Solved)

Solve the simultaneous equations:

Date posted: September 23, 2019 . Answers (1)
A rectangle has a length of 14.6cm and a width of 6.70 cm. Find the percentage Error in calculating the area of the rectangle. (Solved)

A rectangle has a length of 14.6cm and a width of 6.70 cm. Find the percentage Error in calculating the area of the rectangle.

Date posted: September 23, 2019 . Answers (1)
Use Logarithm tables to evaluate (Solved)

Use Logarithm tables to evaluate

Date posted: September 23, 2019 . Answers (1)
Using logarithms, evaluate (Solved)

Using logarithms, evaluate

Date posted: September 23, 2019 . Answers (1)
Make x the subject of the formula: (Solved)

Make x the subject of the formula:

Date posted: September 23, 2019 . Answers (1)
Solve the equation (Solved)

Solve the equation

Date posted: September 23, 2019 . Answers (1)
Make P the subject of the formula (Solved)

Make P the subject of the formula

Date posted: September 23, 2019 . Answers (1)
The Nyamira Express company runs a fleet of two types of buses operating between Nairobi and Kisii. Type A bus has a capacity of 52... (Solved)

The Nyamira Express company runs a fleet of two types of buses operating between
Nairobi and Kisii. Type A bus has a capacity of 52 passengers and 200kg of luggage.
Type B carries 32 passengers and 300kg of luggage. On a certain day, there were 500
passengers with 3500kg of luggage to be transported. The company could only use a
maximum of 15 buses altogether.
a)If the company uses x buses of type A and y buses of type B. Write down all the
inequalities satisfied by the above conditions.
b)Draw the inequalities representing the above information
c)If the cost of running one bus of type A is sh.7200 and that of type B is sh.6000,
find the minimum cost of running the buses.

Date posted: September 23, 2019 . Answers (1)
A particle moves in a straight line with acceleration (5 – 12t) m/s², t seconds after the start. Given that the particle started with a velocity... (Solved)

A particle moves in a straight line with acceleration (5 – 12t) m/s², t seconds after the start.
Given that the particle started with a velocity of 3m/s.
a)Find the velocity in terms of t.
b)Determine the velocity after 2 seconds
c)Determine the maximum velocity attained by the particle
d)Calculate the distance covered after one second.

Date posted: September 23, 2019 . Answers (1)
The figure below shows a cuboid ABCDEFGH. AB = 6cm, BC = 4cm and CG = 8cm. Given that N is the midpoint of EH. Calculate... (Solved)

The figure below shows a cuboid ABCDEFGH. AB = 6cm, BC = 4cm and CG = 8cm.
Given that N is the midpoint of EH.

Calculate the angle between line BN and the base ABCD.

Date posted: September 23, 2019 . Answers (1)
a)Expand (1 – 2x)¹⁰ up to the 4th term. b)Hence use your expansion in (a) above to evaluate (0.98)¹⁰ correct to 4s.f (Solved)

a)Expand (1 – 2x)¹⁰ up to the 4th term.
b)Hence use your expansion in (a) above to evaluate (0.98)¹⁰ correct to 4s.f

Date posted: September 23, 2019 . Answers (1)