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Last year, Nafula was four times as old as her son, Kamau. In four years time, the sum of their ages will be 53.
Determine their...
(Solved)
Last year, Nafula was four times as old as her son, Kamau. In four years time, the sum of their ages will be 53.
Determine their present ages
Date posted:
May 10, 2019
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Answers (1)
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A fruit seller bought 144 pineapples at Kshs 100 for every six pineapples. He sold some of them at Kshs 72 for every
three and the...
(Solved)
A fruit seller bought 144 pineapples at Kshs 100 for every six pineapples. He sold some of them at Kshs 72 for every
three and the rest at Kshs 60 for every two. If he make a 65% profit, calculate the number of pineapples sold at Kshs
72 for every three.
Date posted:
May 10, 2019
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Answers (1)
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A rostrum is made by cutting off the upper part of a cone along a plane parallel to the base at 2/3 up the height....
(Solved)
A rostrum is made by cutting off the upper part of a cone along a plane parallel to the base at 2/3 up the height. What
fraction of the volume of the cone does the rostrum represent?
Date posted:
May 10, 2019
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Answers (1)
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Find the value of x which satisfy the equation.
(Solved)
Find the value of x which satisfy the equation.
52x - 6 × 5x + 5 = 0
Date posted:
May 10, 2019
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Answers (1)
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Angle of 1.8c at the centre of a circle subtends an arc off 46.38cm. Find the area of the arc encloses and the radius.
(Solved)
Angle of 1.8c at the centre of a circle subtends an arc off 46.38cm. Find the area of the arc encloses and the radius.
Date posted:
May 10, 2019
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Answers (1)
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Expand the expression.
(Solved)
Expand the expression.
Date posted:
May 10, 2019
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Answers (1)
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The figure below shows triangle PQR in which PR = 12cm. T is a point on PR such that TR =4cm. Line ST is parallel...
(Solved)
The figure below shows triangle PQR in which PR = 12cm. T is a point on PR such that TR =4cm. Line ST is parallel to
QR. If the area of triangle PQR is 336cm². Find the area of the quadrilateral STQR.
Date posted:
May 10, 2019
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Answers (1)
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Solve the simultaneous equations
(Solved)
Solve the simultaneous equations
Date posted:
May 10, 2019
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Answers (1)
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Without using mathematical tables or a calculator evaluate.
(Solved)
Without using mathematical tables or a calculator evaluate.
Date posted:
May 10, 2019
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Answers (1)
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The points P, Q and R lie on a straight line. The position vectors of P and R are 2i+ 6j + 13k and 5i...
(Solved)
The points P, Q and R lie on a straight line. The position vectors of P and R are 2i+ 6j + 13k and 5i – 3j + 4k
respectively. Find
(i) the position vector of Q
(ii) the length of PQ
Date posted:
May 10, 2019
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Answers (1)
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In the figure given below RN and MS are chords of a circle that meet at an external point P. PQ is a tangent to...
(Solved)
In the figure given below RN and MS are chords of a circle that meet at an external point P. PQ is a tangent to the circle
at Q. PR = 2cm, PN = 12cm and PM = 3cm.
Calculate the length of:
(i) PS
(ii) PQ
Date posted:
May 10, 2019
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Answers (1)
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Find the equation of a tangent to the curve y = x3 – 2x2 + 3x – 1 at x = 2
(Solved)
Find the equation of a tangent to the curve y = x3 – 2x2 + 3x – 1 at x = 2
Date posted:
May 10, 2019
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Answers (1)
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Presently a machine costs KSh. 364,000. What was its cost 5 years ago, if it depreciated at 12% per year
(Solved)
Presently a machine costs KSh. 364,000. What was its cost 5 years ago, if it depreciated at 12% per year
Date posted:
May 10, 2019
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Answers (1)
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Find the centre and radius of a circle whose equation is x2 + y2– 4x + 6y – 3 = 0
(Solved)
Find the centre and radius of a circle whose equation is x2 + y2– 4x + 6y – 3 = 0
Date posted:
May 10, 2019
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Answers (1)
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A piece of forest is in form of a triangle as shown below. Calculate its perimeter to the nearest metre.
(Solved)
A piece of forest is in form of a triangle as shown below. Calculate its perimeter to the nearest metre.
Date posted:
May 10, 2019
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Answers (1)
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If 4x2 + 8x + (k-3) is a perfect square, find the value of k.
(Solved)
If 4x2 + 8x + (k-3) is a perfect square, find the value of k.
Date posted:
May 10, 2019
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Answers (1)
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Make m the subject of the formula.
(Solved)
Make m the subject of the formula.
Date posted:
May 10, 2019
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Answers (1)
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In this question, show all steps in your calculations, giving your answers at each stage. Use logarithms correct to 4
decimal places to evaluate;
(Solved)
In this question, show all steps in your calculations, giving your answers at each stage. Use logarithms correct to 4
decimal places to evaluate;
Date posted:
May 10, 2019
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Answers (1)
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The marks scored by a group of pupils in a Mathematics test were as recorded in the table below.
(Solved)
The marks scored by a group of pupils in a Mathematics test were as recorded in the table below.
(a) State the modal class.
(b) Calculate:
(i) the median
(ii) the mean
Date posted:
May 10, 2019
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Answers (1)
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Milk in a cool factory is stored in a rectangular tank whose internal dimensions are 1.7m by 1.4m by 2.2m. On one day
the tank was...
(Solved)
Milk in a cool factory is stored in a rectangular tank whose internal dimensions are 1.7m by 1.4m by 2.2m. On one day
the tank was 75% full of milk.
(a) Calculate the volume of milk in the tank in litres.
(b) The milk is packed in small packets which are in the shape of a right pyramid on an equilateral triangle of side
16cm. The height of each packet is 13.6cm. Each packet is sold at Sh. 30. Calculate:-
(i) the volume of milk in milliliters in each packet to 2 significant figures.
(ii) the exact amount of money that was realized from the sale of all packets of milk.
Date posted:
May 10, 2019
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Answers (1)