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Questions and Answers
What is the simplified form of $sqrt15(125 + 245 - 845)$?
What is the simplified form of $sqrt15(125 + 245 - 845)$?
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If $2n = 1024$, then what is the value of $rac{n^2}{4}$?
If $2n = 1024$, then what is the value of $rac{n^2}{4}$?
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What is the value of $rac{(a+b)(a-b)}{a^2-b^2}$?
What is the value of $rac{(a+b)(a-b)}{a^2-b^2}$?
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If $x = \frac{21}{3} - 2$, then what is the value of $x^3 + 6x^2 + 12x$?
If $x = \frac{21}{3} - 2$, then what is the value of $x^3 + 6x^2 + 12x$?
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What is the multiplicative inverse of $\frac{1}{a - 1}$?
What is the multiplicative inverse of $\frac{1}{a - 1}$?
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What is the value of $\sqrt[0]{81}$?
What is the value of $\sqrt[0]{81}$?
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What is the absolute value of $|4 - x| + |x - 4|$, if $0 < x < 4$?
What is the absolute value of $|4 - x| + |x - 4|$, if $0 < x < 4$?
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If a father tells his son 'I was of your present age when you were born', and the father is 36 now, how old was the son five years back?
If a father tells his son 'I was of your present age when you were born', and the father is 36 now, how old was the son five years back?
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If $\frac{3}{4} \times 2x + \frac{1}{2} = 1$, then what is the value of $x$?
If $\frac{3}{4} \times 2x + \frac{1}{2} = 1$, then what is the value of $x$?
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If $0.00000676 = 0.0026$, what is the square root of 67,60,000?
If $0.00000676 = 0.0026$, what is the square root of 67,60,000?
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If $3a = 4b = 6c$ and $a + b + c = 27$, then what is the value of $a$?
If $3a = 4b = 6c$ and $a + b + c = 27$, then what is the value of $a$?
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If $0.04 \times 0.4 \times a = 0.004 \times 0.4 \times b$, then what is the value of $a$ in terms of $b$?
If $0.04 \times 0.4 \times a = 0.004 \times 0.4 \times b$, then what is the value of $a$ in terms of $b$?
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"If $x = \frac{7 - 4\sqrt{3}}{3}$, then what is the value of $x + \frac{1}{x}$?"
"If $x = \frac{7 - 4\sqrt{3}}{3}$, then what is the value of $x + \frac{1}{x}$?"
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"Which of the following inequalities is correct?"
"Which of the following inequalities is correct?"
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"Which statement is incorrect?"
"Which statement is incorrect?"
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"If $\frac{51}{a} = \frac{71}{b} = \frac{351}{c}$, find $c$ in terms of $a$ and $b$."
"If $\frac{51}{a} = \frac{71}{b} = \frac{351}{c}$, find $c$ in terms of $a$ and $b$."
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According to Newton’s third law, what is the “reaction” force to the gravitational force by the earth on a book at rest on a table?
According to Newton’s third law, what is the “reaction” force to the gravitational force by the earth on a book at rest on a table?
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If no force acts on a body, what will happen to it?
If no force acts on a body, what will happen to it?
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By applying a force of 1 N, one can hold a body whose mass is approximately equal to
By applying a force of 1 N, one can hold a body whose mass is approximately equal to
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What happens to the coefficient of friction when the normal reaction is halved?
What happens to the coefficient of friction when the normal reaction is halved?
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Maximum force of static friction is called
Maximum force of static friction is called
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Two 50N weights are attached to a spring scale as shown in figure. What is the reading on the scale if the system is in equilibrium?
Two 50N weights are attached to a spring scale as shown in figure. What is the reading on the scale if the system is in equilibrium?
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What is the maximum pressure produced by a 2kg stone shown in figure when it is kept on the table?
What is the maximum pressure produced by a 2kg stone shown in figure when it is kept on the table?
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Which of the following is not used to reduce friction?
Which of the following is not used to reduce friction?
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What would be the mass of an object if it weighs 60 kg on Earth and is taken to the surface of the moon?
What would be the mass of an object if it weighs 60 kg on Earth and is taken to the surface of the moon?
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Which of the following is not a polymer?
Which of the following is not a polymer?
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Which of the following non-metal is a liquid?
Which of the following non-metal is a liquid?
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What is the mass of an object if it weighs 500 N on Earth and is taken to the surface of the moon, where acceleration due to gravity is approximately one-sixth that on Earth?
What is the mass of an object if it weighs 500 N on Earth and is taken to the surface of the moon, where acceleration due to gravity is approximately one-sixth that on Earth?
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Which of the following is a neutral oxide?
Which of the following is a neutral oxide?
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Which metal is the most reactive among Al, Cu, Ca, and Sn?
Which metal is the most reactive among Al, Cu, Ca, and Sn?
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Which synthetic rubber contains an element besides C and H?
Which synthetic rubber contains an element besides C and H?
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"PVC" is obtained by polymerization of which compound?
"PVC" is obtained by polymerization of which compound?
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