- Chepkurui imports rice from the United States at an initial cost of 500US Dollars per tonne. He then
pays 20% of this amount as shipping costs...(Solved)
Chepkurui imports rice from the United States at an initial cost of 500US Dollars per tonne. He then
pays 20% of this amount as shipping costs and 10% of the same amount as custom duty. When the
rice reaches Mombasa he has to pay 5% of the initial cost to transport it to Nairobi.
(a) Given that on the day of this transaction the exchange rate was 1US Dollar = Ksh 76.60,
calculate the total cost of importing one tonne of rice up to Nairobi in Kenya Shillings
(b) Chepkurui intends to make a profit of 20%. Giving your answer to the nearsest ten cents,
calculate the price at which he must sell the rice per kilogram
(c) If on the day that he completes the sale of this import he changes the total collection back to
US Dollars at the rate of 1US Dollar = Ksh 78.20, calculate the actual profit that Chepkurui
realized correct to three decimal places
Date posted: June 19, 2019. Answers (1)
- A drapper bought some shirts and some trousers from a wholesaler Y at Sh.200 per
shirt and Sh.600 per trouser, spending a total of Sh.22, 000....(Solved)
A drapper bought some shirts and some trousers from a wholesaler Y at Sh.200 per
shirt and Sh.600 per trouser, spending a total of Sh.22, 000. If he had bought the same
items from wholesaler X, he would have paid 25% more for a shirt and 15% less for a
trouser and he would have spent Sh.700 more.
a) Write a simultaneous equation to represent the above information.
b) Determine the number of each item he bought
c) He sold all the items as a profit of 50% per shirt and 30% per trouser. Find the
total profit he made if he bought from wholesaler X.
d) Calculate to the nearest whole number, the percentage profit he made if he bought
from wholesale Y
Date posted: June 19, 2019. Answers (1)
- A farmer made a loss of 28% by selling a goat for Sh.1440. What percentage profit
would he have made if he had sold the goat...(Solved)
A farmer made a loss of 28% by selling a goat for Sh.1440. What percentage profit
would he have made if he had sold the goat for Sh.2100?
Date posted: June 19, 2019. Answers (1)
- A trader sold an article at sh.4800 after allowing his customer a 12% discount on the marked price of
the article. In so doing he made...(Solved)
A trader sold an article at sh.4800 after allowing his customer a 12% discount on the marked price of
the article. In so doing he made a profit of 45% .
a) Calculate
(i) the marked price of the article.
(ii) the price at which the trader had bought the article
b) If the trader had sold the same article without giving a discount. Calculate the percentage profit he
would have made.
c) To clear his stock, the trader decided to sell the remaining articles at a loss of 12.5% (Calculate the price at which he sold each article.
Date posted: June 19, 2019. Answers (1)
- On Monday this currency exchange rate was
1 Euro (E) = Kshs.95.65
1 US dollar($) = Ksh.76.50
A gentle man Tourist decided to exchange half of his 2400E...(Solved)
On Monday this currency exchange rate was
1 Euro (E) = Kshs.95.65
1 US dollar($) = Ksh.76.50
A gentle man Tourist decided to exchange half of his 2400E into Dollars.
Calculate to 2 decimal places the number of dollars he received.
Date posted: June 19, 2019. Answers (1)
- A man invests Ksh 10000 in an account which pays 16% interest p.a. The interest is compounded quarterly. Find the interest earned after 1 ½...(Solved)
A man invests Ksh 10000 in an account which pays 16% interest p.a. The interest is compounded quarterly. Find the interest earned after 1 ½ years to the nearest shilling.
Date posted: June 19, 2019. Answers (1)
- Ann bought 24 trays of eggs at sh 225 each. Each tray contains 30 eggs. 54 eggs got broken during transportation. At what price must...(Solved)
Ann bought 24 trays of eggs at sh 225 each. Each tray contains 30 eggs. 54 eggs got broken during transportation. At what price must he sell each egg in order to realize a profit of 22%. Answer to the nearest 1 shilling.
Date posted: June 19, 2019. Answers (1)
- A Kenya scholar to Japan exchanged converted Kenyan shillings to Yens. He received a total of 36,632.8 Yens. If the bank rates were as below,...(Solved)
A Kenya scholar to Japan exchanged converted Kenyan shillings to Yens. He received a total of 36,632.8 Yens. If the bank rates were as below, find how much to the nearest shilling he exchanged.
Buying selling
100 Japanese Yens Ksh 62.76 63.16
Date posted: June 19, 2019. Answers (1)
- Wekesa deposited a certain amount of money in bank that paid compound interest at the rate of 20% P.A. Calculate to the nearest year the...(Solved)
Wekesa deposited a certain amount of money in bank that paid compound interest at the rate of 20% P.A. Calculate to the nearest year the time he would have to wait for his investment to tripple.
Date posted: June 19, 2019. Answers (1)
- Wekhomba bought a laptop in Uganda for Ush.1, 050,000. He then paid 60 US dollars as transportation charges to Kenya. On arrival in Kenya he...(Solved)
Wekhomba bought a laptop in Uganda for Ush.1, 050,000. He then paid 60 US dollars as transportation charges to Kenya. On arrival in Kenya he paid duty and sales tax amounting to 55% of the cost in Uganda. He then gave it to a friend in Tanzania tax free. If the exchange rates were I US dollar = Ush 1016, 1Ksh = Ush 24.83 and Tsh 1 = Ksh 0.0714
(a) Calculate the total expenses in Kenya shillings incurred by Wekhomba
(b) Find the expenditure on transportation and taxes as a percentage of the total
expenditure
(c) What is the total value of the laptop in Tanzanian shillings
(d) Find the overall increase in value of the laptop as percentage of the buying price
Date posted: June 19, 2019. Answers (1)
- Jane is a sales executive earning a salary of Ksh. 20,000 and a commission of 8% for the sales in excess of Ksh 100,000. If...(Solved)
Jane is a sales executive earning a salary of Ksh. 20,000 and a commission of 8% for the sales in excess of Ksh 100,000. If in January 2010 she earned a total of Ksh.48, 000 in salaries and commissions.
a) Determine the amount of sales she made in that month
b) If the total sales in the month of February and March increased by 18% and then dropped by 25% respectively. Calculate
(i) Jane’s commission in the month of February
(ii) Her total earning in the month of March
Date posted: June 19, 2019. Answers (1)
- A rectangular room has length 12.0 metres and width 8.0 metres. Find the maximum
percentage error in estimating the perimeter of the room.(Solved)
A rectangular room has length 12.0 metres and width 8.0 metres. Find the maximum
percentage error in estimating the perimeter of the room.
Date posted: June 19, 2019. Answers (1)
- In this question mathematical tables or calculator should not used. The base and perpendicular
height of a triangle measured to the nearest centimeters are 12cm and...(Solved)
In this question mathematical tables or calculator should not used. The base and perpendicular
height of a triangle measured to the nearest centimeters are 12cm and 8cm respectively;
Find ;
(a) the absolute error in calculating the are of the triangle
b) the percentage error in the area, giving the answer to 1 decimal place
Date posted: June 19, 2019. Answers (1)
- A rectangular plate has a perimeter of 28cm. determine the dimensions of the plate that
give the maximum area(Solved)
A rectangular plate has a perimeter of 28cm. determine the dimensions of the plate that
give the maximum area
Date posted: June 19, 2019. Answers (1)
- A wire of length 5.2m is cut into two pieces without wastage. One of the pieces is
3.08m long. What is the shortest possible length of...(Solved)
A wire of length 5.2m is cut into two pieces without wastage. One of the pieces is
3.08m long. What is the shortest possible length of the second piece?
Date posted: June 19, 2019. Answers (1)
- The dimensions of a rectangle are 10cm and 15cm. If there is an error of 5% in each of the
Measurements. Find the percentage error in...(Solved)
The dimensions of a rectangle are 10cm and 15cm. If there is an error of 5% in each of the
Measurements. Find the percentage error in the area of the rectangle.
Date posted: June 19, 2019. Answers (1)
- Find the products of 17.3 and 13.8. Find also the percentage error in getting the product.(Solved)
Find the products of 17.3 and 13.8. Find also the percentage error in getting the product.
Date posted: June 19, 2019. Answers (1)
- The mass of a metal is given as 14kg to the nearest l0g. Find the percentage error in this
measurement.(Solved)
The mass of a metal is given as 14kg to the nearest l0g. Find the percentage error in this
measurement.
Date posted: June 19, 2019. Answers (1)
- The length and breadth o a rectangular room are 15cm and 12 cm respectively. If each of these measurements is liable to 1.5% error, calculate...(Solved)
The length and breadth o a rectangular room are 15cm and 12 cm respectively. If each of these measurements is liable to 1.5% error, calculate the absolute error in the perimeter of the room
Date posted: June 19, 2019. Answers (1)
- In the figure below, TA is a tangent to the circle ABCD with centre O. TAD = 480 and
BOD = 1160
Giving reasons calculate:
a) ACD
b)...(Solved)
In the figure below, TA is a tangent to the circle ABCD with centre O. TAD = 480 and
BOD = 1160
Giving reasons calculate:
a) ACD
b) ABO
c) ADO
d) ACB
e) ATB
Date posted: June 18, 2019. Answers (1)