turkey-yks

2011 ygs

17 maths questions

$\frac { 4 ^ { \frac { 1 } { 2 } } + ( - 8 ) ^ { \frac { 1 } { 3 } } - 1 } { 2 ^ { - 1 } }$
What is the result of this operation?
A) 2 B) 6 C) $-1$ D) 0 E) $-2$
$12^{a} = 2$
$$6^{b} = 3$$
Given that, what is the value of the expression $\mathbf{12}^{\boldsymbol{(}\mathbf{1} - \mathbf{a}\mathbf{)2b}}$?
A) 15 B) 16 C) 9 D) 8 E) 4
$x = \sqrt[3]{4}$
$$y = \sqrt[4]{8}$$ $$z = \sqrt[5]{16}$$
Given that, which of the following orderings is correct?
A) $x < y < z$ B) $x < z < y$ C) $y < x < z$ D) $z < x < y$ E) $z < y < x$
If the product $\mathrm{x} \cdot (10!)$ is the square of a positive integer, what is the smallest value that x can take?
A) 21 B) 7 C) 5 D) 10 E) 14
Q8 Simultaneous equations View
$\frac{a - 1}{b} = \frac{c}{a}$
$$\frac{a}{c - 2} = \frac{b + 3}{a - 1}$$
Given that, what is the value of the expression $3c - 2b$?
A) 8 B) 9 C) 6 D) 3 E) 4
Q9 Exponential Functions Solve a Logarithmic Equation View
$$\frac{2^{x^{2} - y^{2}}}{4^{x^{2} + xy}} = \frac{1}{2}$$
Given that, what is the value of the expression $(x + y)^{2}$?
A) 2 B) 4 C) 1 D) $\frac{1}{2}$ E) $\frac{1}{4}$
Q10 Solving quadratics and applications Qualitative Analysis of DE Solutions View
$\frac{1}{x + 1} + x - 1 = \frac{1}{x^{2}}$
Given that, which of the following is the expression $x^{3} - 1$ equal to?
A) $\frac{2}{x - 1}$ B) $\frac{1}{x}$ C) $\frac{x - 1}{x}$ D) $-x$ E) $\frac{1}{x + 1}$
Q11 Simultaneous equations View
For distinct numbers a and b
$$\frac{a^{2}}{b} - \frac{b^{2}}{a} = b - a$$
Given that, what is the value of the expression $\frac{a}{b} + \frac{b}{a}$?
A) $-2$ B) $-1$ C) 0 D) 1 E) 4
For integers x and y, $x + 2y = 11$. Given that,
I. x is an odd number. II. x is greater than y. III. Both x and y are positive.
Which of the following statements are always true?
A) Only I B) Only III C) I and II D) I and III E) II and III
Let a be a positive integer and $p = a^{2} + 5$. If p is a prime number, which of the following statements are true?
I. a is an even number. II. The remainder when p is divided by 4 is 1. III. $\mathrm{p} - 6$ is prime.
A) I and III B) Only I C) I and II D) Only III E) I, II and III
Q16 Number Theory GCD, LCM, and Coprimality View
Let n be a positive integer, and let $S(n)$ denote the set of positive integers that divide n without remainder.
Accordingly, how many elements does the intersection set $S(60) \cap S(72)$ have?
A) 8 B) 9 C) 6 D) 5 E) 4
If a number of the form $7k + 4$ is divisible by 3 without remainder, how many positive integers k less than 21 are there?
A) 8 B) 9 C) 7 D) 6 E) 5
Q20 Composite & Inverse Functions Find or Apply an Inverse Function Formula View
The following functions are given:
$f(x) = 3x - 6$
$g(x) = (x - 2)^{2}$
Accordingly, $\left(g \circ f^{-1}\right)(x)$ is equal to which of the following?
A) $\frac{3x^{2}}{2} - 1$ B) $(3x + 4)^{2}$ C) $x^{2} - 4x + 2$ D) $\frac{x^{2}}{9}$ E) $(3x - 8)^{2}$
Q21 Composite & Inverse Functions Injectivity, Surjectivity, or Bijectivity Classification View
The following functions are defined on the set of real numbers:
I. $f(x) = 2x - 1$ II. $g(x) = x^{2} + 2$ III. $h(x) = x^{3}$
Which of these functions are one-to-one?
A) I and II B) Only I C) I, II and III D) I and III E) Only II
Q23 Arithmetic Sequences and Series Compute Partial Sum of an Arithmetic Sequence View
On day 1, Ismail puts one of each of the following coins into his piggy bank: 5 Kr, 10 Kr, 25 Kr, 50 Kr, and 1 TL. On day 2, he puts two of each, and continuing in this manner, on day n he puts n of each.
If Ismail has saved 104.5 TL in his piggy bank, what is n?
A) 10 B) 11 C) 12 D) 13 E) 14
Q37 Radians, Arc Length and Sector Area View
$$|\widehat{AD}| = a \text{ units}$$ $$|\widehat{BC}| = b \text{ units}$$ $$|DC| = c \text{ units}$$
The OAD and OBC circular sectors with center O are given above.
Accordingly, the area of the shaded region is equal to which of the following in terms of $a, b$ and $c$?
A) $\frac{(a + b) \cdot c}{2}$ B) $\frac{(b - a) \cdot c}{2}$ C) $\frac{2(a + b)}{c}$ D) $\frac{2(b - a)}{c}$ E) $\frac{a \cdot b \cdot c}{2}$
$$|\mathrm{OM}| = 2 \text{ units}$$
In the rectangular coordinate plane, a semicircle with center at point M and a quarter circle with center at the origin intersect at point A as shown in the figure.
Accordingly, what is the x-coordinate of point A?
A) $\frac{5}{3}$ B) $\sqrt{2}$ C) $\frac{\sqrt{3}}{2}$ D) $\frac{3}{2}$ E) $\sqrt{3}$