KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
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When Ksh. 60,000 was invested in a certain bank for 8years it earned a simple interest of Ksh. 14,400. Find the amount that must have been invested in the same bank at the same rate for 5years to earn a simple interest of Ksh. 12,000 (3mks)a) Expand (1 + ¼ x)4 (2mks)b) Use your expansion in (a) above to evaluate (0.975)4 to 4 significant figures. (2mks)âFind the radius and the coordinate of the centre of the circle whose equation is2x2 + 2y2 â 6x + 10y + 9 = 0 (3mks)A coffee dealer mixes two brands of coffee, x and y, to obtain 40kg of the mixture worth Ksh. 65 per kg. If brand x is valued at Ksh. 70 per kg and brand y at ks.55 per kg. Calculate the ratio, in its simplest form, in which the brands x and y are mixed. (2mks)In the figure below, O is the centre of the circle which passes through the points T,C and D. Line TC is parallel to OD and line ATB is a tangent to the circle at T. Angle DOC = 380. Calculate the size of angle CTB (3mks)The length and width of a rectangular window pane measured to the nearest millimeter are 8.6cm and 5.3 respectively.
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