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An insurance company reduced its annual premium for a policy by 12.5% to sh. 750. What was the previous amount of premium?
Date posted:
October 27, 2017
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It cost Robert 150% more to rent his house than it used to 10 years ago when the rent was sh. 15000 per month. How much rent does he pay now?
Date posted:
October 27, 2017
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A mason was paid sh. 36000 to completely build a house. What was the total cost of the building if this amount constituted 15% of the cost?
Date posted:
October 27, 2017
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What percentage is 0.002 cm?
Date posted:
October 27, 2017
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In a quality control survey 4.5% of all parts of a machine were declared sub-standard. If there were 81 sub-standard parts, how many parts were analysed?
Date posted:
October 27, 2017
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David’s shamba is 24 hectares in area six hectares is used for pasture and coffee in the rest. What percentage of his shamba is under coffee?
Date posted:
October 27, 2017
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A shopkeeper bought a cup for sh. 36 and sold it later for sh. 48. What was the percentage gain?
Date posted:
October 27, 2017
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A man pay 10% more for his bus fare from home to work than he used to pay two years ago. If he pays sh. 40, how much was he paying then?
Date posted:
October 27, 2017
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A pair of trouser was being sold at sh 1600 but was sld for sh 1200. What was the percentage decrease?
Date posted:
October 27, 2017
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A foreign government donated sh. 70.1 billion while the Kenya Government contributed sh. 300 million towards a project. Of the total 11.2 million was used to pay the experts, sh. 700000 for purchase of stationary and sh. 14.0 million for the acquisition of machinery. How much money remained unused ? state your answer in words.
Date posted:
October 27, 2017
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Find the length of a square whose area is 0.0081 cm^2.
Date posted:
October 27, 2017
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Ken bought q oranges and discovered that 2% were bad. How many oranges were fit for consumption?
Date posted:
October 27, 2017
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A farmer has 3 containers f capacity 48 litres, 36 litres, and 30 litres. Find the capacity of
a. The smallest vessel that can be filled by each one of them an exact number f times.
b. The largest container that can be used to fill each one of them an exact number of times.
Date posted:
October 27, 2017
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Four cisterns in a public lavatory are designed to flush at intervals of 5, 8, 10,15 seconds. After how many minutes will they flush together?
Date posted:
October 25, 2017
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After the fourth month of the year, what fraction of the still remains?
Date posted:
October 25, 2017
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Find the sum of a half of (a+b) and a third of (b-a).
Date posted:
October 25, 2017
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If the surface area of an open box box of side x, y, and z centimeters is given by A= 2y(x+z) +xz
Find ;
a. A if x=20, y=15, and z=10
b. Z if a =512, x=12, and y =5
Date posted:
October 25, 2017
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Simplify
(18am -18ar)/(9ar-9am)
Date posted:
October 25, 2017
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Simplify
(ax-ay)/(by-bx)
Date posted:
October 25, 2017
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Express the following as a single fraction
a. (p+q)/4 +(p-2q)/5
b. ½ + (3a +b)/(3a +3b)
Date posted:
October 24, 2017
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Express each of the following as a single fraction in its lowest form
a. (X-1)/2 + (x+1)/3
b. (3a^2 +ab)/ab –(3a^2-ab)/5ab
Date posted:
October 24, 2017
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A vehicle travels at a speed of (x +10)km/h. what distance does it cover in (3y-5)hours
Date posted:
October 22, 2017
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A square lawn of side x cm is surrounded by a path of width 2m. write an expression for the area of the path.
Date posted:
October 22, 2017
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A rectangular piece of cloth is (x+6)cm by (x-2)cm. A strip 3cm wide is cut off all around it. Write an expression for the area of the strip.
Date posted:
October 22, 2017
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An empty basket mass is w kg. Forty eggs each of mass x grams are placed in the basket. Find the mass of y such basket.
Date posted:
October 22, 2017
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Sam spend half of his monthly earning on food and one sixth on water and electricity. Write down an expression for the remainder of his earning s.
Date posted:
October 22, 2017
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A certain number is add to 2/5 of itself. If the sum is doubled, write down the final statement
Date posted:
October 21, 2017
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John earns thrice as much as his wife Joan. Write down an expression for the difference between their earnings.
Date posted:
October 21, 2017
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Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum of their ages.
Date posted:
October 21, 2017
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In a mathematics test, six students scored the following grades, 60, a, 40, b, c, d. Find their average score.
Date posted:
October 19, 2017