user The picture shows a wooden table with a glass of water and a spoon made of stainless steel sitting on top of it. Around the edges of the picture are representations of the various forms that matter is capable of taking. Both the spoon and the glass of water are examples of solid matter, but … Read more
Questions 1 A shoe factory produces 70 thousand pairs of leather shoes this year, 20 thousand pairs less than 2 times of last year, how many thousand pairs of leather shoes were produced last year? Questions 2 Town X and Town Y are 550 kilometers away from each other. Car A and Car B both … Read more
2009 May June Paper 6/1-Q5 At a zoo, rides are offered on elephants, camels and jungle tractors. Ravi has money for only one ride. To decide which ride to choose, he tosses a fair coin twice. If he gets 2 heads he will go on the elephant ride, if he gets 2 tails he will … Read more
2020 Oct Nov Paper 12 Q5 A white powder is known to be a mixture of magnesium oxide and aluminium oxide. 100 cm3 of 2 mol dm-3 NaOH (aq) is just enough to dissolve the aluminium oxide in (x) grams of the mixture. The reaction is shown.[Al _{2} O _{3}+2 OH ^{-}+3 H _{2} O … Read more
2020 May June Paper 11 Q1 The diagram shows the graph of a cubic curve y = f(x). (a) Find an expression for f(x). [2](b) Solve f(x) ≤ 0. [2] 2020 Oct Nov Paper 12 Q2 The diagram shows the graph of y = f(x), where f(x) is a cubic polynomial. (a) Find f(x). [3](b) … Read more
2015 Oct Nov Paper 23 Q4 Solve the following simultaneous equations, giving your answers for both (x) and (y) in the form (a+b sqrt{3}), where (a) and (b) are integers.[begin{array}{r}2 x+y=9 \sqrt{3} x+2 y=5end{array}]
2014 Oct Nov Paper 21 & 22 Q9 Integers (a) and (b) are such that ((a+3 sqrt{5})^{2}+a-b sqrt{5}=51). Find the possible values of (a) and the corresponding values of (b). 2016 Oct Nov Paper 21 & 22 Q2 Without using a calculator, find the integers (a) and (b) such that (frac{a}{sqrt{3}+1}+frac{b}{sqrt{3}-1}=sqrt{3}-3). More Similar Questions 2016 … Read more
2014 May June Paper 23 Q5(i) Do not use a calculator in this question.(i) Show that ((2 sqrt{2}+4)^{2}-8(2 sqrt{2}+3)=0).