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Marks scored by 100 students in a test were recorded as follows
(a) Determine the value of x.
(b) State the modal class.
(c) Calculate the...
(Solved)
Marks scored by 100 students in a test were recorded as follows
(a) Determine the value of x.
(b) State the modal class.
(c) Calculate the median mark.
(d) Calculate the mean mark
Date posted:
September 30, 2019
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Answers (1)
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The figure below shows a cone with water filled as shown below.
(a) Calculate the volume of water in the vessel.
(b) Metal hemisphere is completely submerged...
(Solved)
The figure below shows a cone with water filled as shown below.
(a) Calculate the volume of water in the vessel.
(b) Metal hemisphere is completely submerged in the water, causing the water level to rise by 6cm. calculate
(i) The radius of the new water surface.
(iii) The diameter of the hemisphere.
Date posted:
September 30, 2019
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Answers (1)
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Use a ruler and compasses only in this question.
(a) Construct triangle ABC such that AB=6cm, AC=8.5cm and 0
(b) Draw a bisector of line AB from...
(Solved)
Use a ruler and compasses only in this question.
(a) Construct triangle ABC such that AB=6cm, AC=8.5cm and 0
(b) Draw a bisector of line AB from M on AB to meet BC at N.
(c) Determine the areas;
(i) MBN
(ii) AM NC
(d) Express the ratio of the area MBN to AMNC in the form 1: n
Date posted:
September 30, 2019
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Answers (1)
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A swimming pool 30m long is 1m deep at its shallow end and 4m deep at its deep end. The pool is 4m wide
(a) Calculate...
(Solved)
A swimming pool 30m long is 1m deep at its shallow end and 4m deep at its deep end. The pool is 4m wide
(a) Calculate the volume of water in cubic metres when the pool is full.
(b) A circular pipe of diameter 14cm is sued to empty the swimming pool. Water flows through the
pipe at a speed of 5m per second. Calculate the time it would take to the nearest minute to empty
the tank.
Date posted:
September 30, 2019
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Answers (1)
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A tourist left Abidjan at 2215h and arrived in Entebbe at 0330h. he left at 0450h and arrived in Nairobi at 0645h. Given the times...
(Solved)
A tourist left Abidjan at 2215h and arrived in Entebbe at 0330h. he left at 0450h and arrived in Nairobi at 0645h. Given the times quoted are Kenyan times, how long was the journey from Abidjan to Nairobi?
Date posted:
September 30, 2019
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Answers (1)
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Without using mathematical tables find Q given that:Sin (2theta-10)=cos 6theta: 0<=theta<=900
(Solved)
Without using mathematical tables find Q given that:
Sin (2theta-10)=cos 6theta: 0<=theta<=900
Date posted:
September 30, 2019
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Answers (1)
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A solid cylinder with radius 7cm and height 5cm is melted down and recast into a spherical ball. Calculate to 2 decimal place the radius...
(Solved)
A solid cylinder with radius 7cm and height 5cm is melted down and recast into a spherical ball. Calculate to 2 decimal place the radius of the ball.
Date posted:
September 30, 2019
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Answers (1)
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The nth term of an arithmetic series is 3n+4. Find the sum of the first twenty terms of the series.
(Solved)
The nth term of an arithmetic series is 3n+4. Find the sum of the first twenty terms of the series.
Date posted:
September 30, 2019
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Answers (1)
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A Canadian tourists came to Kenya with sterling pounds 5000 which he exchanged to Kenyan shillings. He spent three quarters of the money and exchanged...
(Solved)
A Canadian tourists came to Kenya with sterling pounds 5000 which he exchanged to Kenyan shillings. He spent three quarters of the money and exchanged the rest to sterling pounds on leaving. How much to the nearest pound did he receive given the exchange rate?
Buying selling
119.72 119.86
Date posted:
September 30, 2019
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Answers (1)
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Without tables or calculators, evaluate:
(Solved)
Without tables or calculators, evaluate:
Date posted:
September 30, 2019
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Answers (1)
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A cow is 4 years 8 months older than a heifer. The product of their ages is 8 years. Determine the age
of the cow and...
(Solved)
A cow is 4 years 8 months older than a heifer. The product of their ages is 8 years. Determine the age
of the cow and that of the heifer.
Date posted:
September 30, 2019
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Answers (1)
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Simplify
(Solved)
Simplify 
Date posted:
September 30, 2019
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Answers (1)
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A bicycle can be bought for sh. 3500 cash or by paying 10 monthly installments of sh. 490 each.
Calculate the rate of interest per annum...
(Solved)
A bicycle can be bought for sh. 3500 cash or by paying 10 monthly installments of sh. 490 each.
Calculate the rate of interest per annum if its bought on hire purchase.
Date posted:
September 30, 2019
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Answers (1)
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A varies directly as B and inversely as the square root of C. Find the percentage change in A if B isincreased by 12% and...
(Solved)
A varies directly as B and inversely as the square root of C. Find the percentage change in A if B is increased by 12% and C is reduced by 36%.
Date posted:
September 30, 2019
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Answers (1)
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Simplify
(Solved)
Simplify
Date posted:
September 30, 2019
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Answers (1)
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Use reciprocal tables to find the reciprocal of 0.216 to 3 d.p hence evaluate.
(Solved)
Use reciprocal tables to find the reciprocal of 0.216 to 3 d.p hence evaluate.
Date posted:
September 30, 2019
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Answers (1)
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Evaluate without using tables or calculators.
(Solved)
Evaluate without using tables or calculators.
Date posted:
September 30, 2019
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Answers (1)
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Wanjau started a business with sh. 60,000 as at 1st Jan 2010. During the year profits and additional investments were sh. 50,000 and 60,000...
(Solved)
Wanjau started a business with sh. 60,000 as at 1st Jan 2010. During the year profits and additional investments were sh. 50,000 and 60,000 respectively. At the end of the year Wanjau remembered that she had taken goods for her personal use and that as at 31st Dec.2010 her capital was sh. 19,500.
Determine the value of goods that Wanjau had taken for her personal use.
Date posted:
September 25, 2019
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Answers (1)
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In a school trip there were x buses and y luxury vans. Each bus was hired at
Ksh.1000 and could carry 60 students. ...
(Solved)
In a school trip there were x buses and y luxury vans. Each bus was hired at
Ksh.1000 and could carry 60 students. Each van was hired at Ksh.2000 and could
carry 30 students.
(a)Express the following statements as inequalities in x and y.
(i)There must be some van or vans.
(ii)There should at least 3 buses.
(iii)The school should be not spend more than Ksh.18000 on the trip.
(iv)Not more than 420 students are to go on the trip.
(b)Illustrate inequalities graphically.
(c)Use your graph to determine the maximum number of students that can go on the trip and corresponding expenditure.
Date posted:
September 25, 2019
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Answers (1)
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(a)Draw the graph of the function. y=6x + x2 -x3 for -3 = x = 4
(b)By drawing a suitable straight line(s) on the graph in...
(Solved)
(a)Draw the graph of the function. y=6x + x2 -x3 for -3 ≤ x ≤ 4
(b)By drawing a suitable straight line(s) on the graph in (a) above estimate the roots of the following equations.
(i) 6x + x2 - x3 = 0
(ii) 2x + x2 - x3 = 0
Date posted:
September 25, 2019
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Answers (1)