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Questions in mathematics
[Jawaban] If $g(x)=\frac{x+1}{x-2}$ and $h(x)=4-x$, what is the value of $(g \circ h)(-3)$?
[Jawaban] 2. From the sum of 4097 and 4723, subtract 1796. 3. There were 1875 passengers travelling in a train. Out of these, 325 passengers got down and 826 passengers got in at a station. How many passengers are in the train now? 4. A fruit seller had 1426 bananas. He bought 1056 more bananas from the market and sold 1563 bananas. How many bananas are left with him?
[Jawaban] What is the sum of all positive integers less than 100 which are multiples of five? (a) 950 (b) 1230 (c) 760 (d) 875 (Haryana Auction Recorder Exam, 2016)
[Jawaban] Which equation represents a circle with a center at $(2,-8)$ and a radius of $11$? A. $(x-8)^2+(y+2)^2=11$ B. $(x-2)^2+(y+8)^2=121$ C. $(x+2)^2+(y-8)^2=11$ D. $(x+8)^2+(y-2)^2=121
[Jawaban] Abdul spent N450 for lunch and N350 on fuel. What fraction of the total amount did he spend on fuel?
[Jawaban] Select the correct answer. What is the value of this expression when [tex]m=6$[/tex]? [tex]-4 \sqrt[3]{-6 m^2}$[/tex] A. -24 B. 24 C. -144 D. 144
[Jawaban] Identify which of the following is not equivalent to [tex]a^{\frac{1}{4}}[/tex]. A) [tex]a^{\frac{1}{8}} \times a^{\frac{1}{8}}[/tex] B) [tex]\sqrt{a}[/tex] C) [tex]\left(a^{\frac{1}{8}}\right)^2[/tex] D) [tex]a^{\frac{3}{4}} \div a^{\frac{1}{2}}[/tex]
[Jawaban] Write $2^{20}$ as an exponent with the base of $2^5$.
[Jawaban] The ratio $x: y$ is $1: 5$. Which two of the following statements are correct? A. $y$ is $\frac{5}{6}$ of $x$ B. $x$ is $\frac{1}{5}$ of $y$ C. $x$ is $\frac{1}{6}$ of $y$ D. $y$ is $\frac{5}{6}$ of $(x+y)$
[Jawaban] Factorise fully the following: a) $x^2+3 x$
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