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Recent questions tagged sat

Simplify $\large\frac{2}{(x-1)^2} - \large\frac{2}{(1-x^2)}$

asked Dec 1, 2019 by priyanka.clay6

1 answer

Catherine is twice as old as her daughter. Twelve years ago she was three times as old as her daughter. Then the age of Catherine is

asked Dec 1, 2019 by priyanka.clay6

1 answer

The volume of a sphere whose surface area equals its volume is

asked Dec 1, 2019 by priyanka.clay6

1 answer

A gum ball machine contains 40 blue gum balls, 25 red gum balls, 18 green gum balls and 30 purple gum balls. What is the probability that you get a red gum ball ?

asked Dec 1, 2019 by priyanka.clay6

1 answer

If $(x-1)^x = 1$ and $x \neq 1$, then all the possible values of $x$ are

asked Dec 1, 2019 by priyanka.clay6

1 answer

Jack buys several articles for $'n'$ costs per dozen and his selling price is $\large\frac{n}{9}$ cent per article. What is the profit in cents on each article ?

asked Dec 1, 2019 by priyanka.clay6

1 answer

If $f(y)=\tan y+ \cot y$, then the value of $f(\large\frac{\pi}{4})$ is

asked Dec 1, 2019 by priyanka.clay6

1 answer

Which of the following is the graph of a line perpendicular to the line defined by the equation $2x+5y=10 ?$

asked Dec 1, 2019 by priyanka.clay6

1 answer

The bar graph below shows the preferred breakfast for 40 students belonging to class $IX$. The number of students who prefer pancakes as a percentage of the total number of students is

asked Dec 1, 2019 by priyanka.clay6

1 answer

Michelle had a kite and he wanted to fly from his garden. The kite is shaped as shown in the figure. What can be the length of the line segment AE ?

asked Nov 28, 2019 by priyanka.clay6

1 answer

In the fig. $\angle{PQR} = 100^{\circ}$ where $P, Q $ and $R $ are points on the circle with center $O$. Find $\angle{OPR}$

asked Nov 28, 2019 by priyanka.clay6

1 answer

Two circles o radii 5 cm and 3 cm and centres A and B touch internally. If the perpendicular bisector of segment AB meets the bigger circle in P and Q. Find the length of PQ.

asked Nov 28, 2019 by priyanka.clay6

1 answer

The value of $\large(\frac{729}{512})^{-2/3}$

asked Nov 28, 2019 by priyanka.clay6

1 answer

Which of the following expressions is equivalent to $(6+5i)^3$

asked Nov 28, 2019 by priyanka.clay6

1 answer

asked Nov 28, 2019 by priyanka.clay6

1 answer

A plumber charges a one-time site visit fee to evaluate a potential job. If he accepts the job, he charges an hourly rate plus the cost of any materials needed to complete the job. He also charges for tax, only on the cost of the materials. If the cost of completing a job that takes $'x'$ hours is given by the function $c(x) = 50x + 1.25 (83.5) + 75$, then the term $1.25(83.5 )$ represents

asked Nov 28, 2019 by priyanka.clay6

1 answer

The simplified expression of $(3x^4+x^3-12)+(x^4-x^3+x^2-6)$ is

asked Nov 28, 2019 by priyanka.clay6

1 answer

Ryan has a bag containing 12 marbles. 4 are red, 4 are blue and 4 are yellow. What is the probability of Ryan drawing out of the bag first a blue marble and then a yellow, if he doesn't replace the first marble he drew ?

asked Nov 28, 2019 by priyanka.clay6

1 answer

A scientist is doing a study to determine the typical levels of carbon monoxide in the air of automotive garages. She measures the air quality at 8 different garages and gets the following result : 13 ppm, 26 ppm, 4 ppm, 36 ppm, 12 ppm, 19 ppm, 5 ppm, and 9 ppm. What is the mean of her data set ?

asked Nov 28, 2019 by priyanka.clay6

1 answer

A building is to be built on a lot that measures 80 m by 60 m. A lawn of uniform width, equal to the area of the building, must surround it. How wide is the strip of lawn.

asked Nov 28, 2019 by priyanka.clay6

1 answer

In a Rhombus $PQRS$, if $PQ=PR$, then $\angle{PQR} =$

asked Nov 28, 2019 by priyanka.clay6

2 answers

$(sx+3)(tx-3)=4x^2+ux-9$ for all the values of $x$ and $s+t=4$, what are the possible values of $u$ ?

asked Nov 28, 2019 by priyanka.clay6

1 answer

If $4x-y=16,$ what is the value of $\large\frac{16^x}{2^y}$?

asked Nov 28, 2019 by priyanka.clay6

1 answer

$-\dfrac{1}{5} x -20 \geq -5$ implies

asked Nov 27, 2019 by priyanka.clay6

1 answer

A balloon is catapulted into the air from the top of a building. The height $h(t)$ in meter of the ballon after $'t'$ seconds is $h(t) = -5t^2 + 30t +10$. When will the balloon reach a height of 30 m ?

asked Nov 27, 2019 by priyanka.clay6

1 answer

A water is catapulted into the air from the top of a building. The height $h(t)$ in meter of the ballon after $'t'$ seconds is $h(t) = -5t^2 + 30t +10$ <br> <br> QUESTION : What are the range of this function ?

asked Nov 27, 2019 by priyanka.clay6

1 answer

If $5x-19<16$, then what can be the value of $x$?

asked Nov 27, 2019 by priyanka.clay6

1 answer

Sarah is 92 years old and she graduated from high school in 1930 at the age of 17. Her graduating class had a half century reunion. During what year was it held ?

asked Nov 27, 2019 by priyanka.clay6

1 answer

The roots of the equation $2x^2 - 7x-4=0 $

asked Nov 27, 2019 by priyanka.clay6

1 answer

Volume $'V'$ of a sphere whose radius is $r$ is given by $V = \frac{4}{3} \pi r^3$. Then the radius of the sphere in terms of $V$ will be

asked Nov 27, 2019 by priyanka.clay6

1 answer

A chef wants to wrap a string around a giant wheel of cheese to support a paper label. The wheel of cheese has a diameter of 30 inches. How much string is needed to go around the wheel of cheese exactly once ?

asked Nov 27, 2019 by priyanka.clay6

1 answer

The next term of the given sequence $17, 18, 22, 31, 47, ....$ is

asked Nov 27, 2019 by priyanka.clay6

1 answer

Jackie has a piece of land which was designed as shown in the figure. He wants to lawn the shaded area. $O$ is the center of the circle whose diameter is 4m and $OABC$ is a square. If the shaded area is $\frac{1}{3} $rd of the area of the square, then the side of the square is

asked Nov 27, 2019 by priyanka.clay6

1 answer

In the figure above, $AE=AD$ and $BD=CE$ then

asked Nov 26, 2019 by priyanka.clay6

1 answer

Which among the following statements is not true?

asked Nov 26, 2019 by priyanka.clay6

1 answer

The table below shows the ages (in years) of 360 patients, getting treatment in a hospital. One of the patient is selected at random. The probability that his age is 10 years or more is

asked Nov 26, 2019 by priyanka.clay6

1 answer

Sherin has a laser printer which can print $x$ pages per minute, how many minutes in terms of $x$, would it take for the printer to print $100$ pages document ?

asked Nov 26, 2019 by priyanka.clay6

1 answer

If $9^{3x+2}=81,$ then the value of $x$ is

asked Nov 26, 2019 by priyanka.clay6

1 answer

What can be the average arithmetic mean of $2x+1,\;x+2, \;2x-3,\;3x+4, \;3x$ and $2x-1$, if $x=-1$

asked Nov 26, 2019 by priyanka.clay6

1 answer

If $2a+3=6$, then $\dfrac{3}{4a+6}=$

asked Nov 26, 2019 by priyanka.clay6

1 answer

If $(2+4i)(5-ki)=50$, then the value of $k$ is

asked Nov 26, 2019 by priyanka.clay6

1 answer

On the grid, which of the following points is the same distance from $A(1,4)$ as it is from $B(5,2)$

asked Nov 26, 2019 by priyanka.clay6

1 answer

$\begin{align}\frac{48 x^2d^2y}{-12 x^6dy^3} =\end{align}$

asked Nov 26, 2019 by priyanka.clay6

1 answer

In trapezium $ABCD$, if $AB = 9\; cm, DC = 6\; cm$ and $BD = 12\; cm$, then $BO$ is equal to

asked Nov 26, 2019 by priyanka.clay6

1 answer

If the circumference of a circle and the perimeter of a square are equal, then

asked Nov 26, 2019 by priyanka.clay6

1 answer

Find the next term of given sequence .. $4, 15, 59, 235, 939, 3755, ....$

asked Nov 25, 2019 by priyanka.clay6

1 answer

In the figure given below two circles of radii 4 cm each is as shown. PQRS is a rectangle and PQ and RS are the radii. What is the area of the shaded area ?

asked Nov 25, 2019 by priyanka.clay6

1 answer

The probability of throwing at least one one in a simple throw with two dice is

asked Nov 25, 2019 by priyanka.clay6

1 answer

If $\begin{align}\frac{\sin \theta + \cos \theta}{\sin \theta - \cos \theta} = \frac{\sqrt{3}+1}{\sqrt{3}-1} \end{align}$, then the acute angle $\theta$ is

asked Nov 25, 2019 by priyanka.clay6

1 answer

Find the value of $\begin{align} 6\sqrt{27} - \sqrt{6 \frac{3}{4}}\end{align}$

asked Nov 25, 2019 by priyanka.clay6

1 answer

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