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Questions asked by meena.clay6
Questions
652
questions
0
answers selected
Kirchhoff's current law for a junction as shown
cbse
class
12
physics
current-electricity
asked
Mar 20, 2019
1
answer
n identical cells each of E and internal resistance r be connected in services The current through load resistance R
cbse
class
12
physics
current-electricity
asked
Mar 20, 2019
1
answer
The electric potential inside a conductivity sphere
cbse
class 12
physics
electrostatic-potential-and-capacitance
asked
Mar 20, 2019
1
answer
Torque acting on a electric dipole in a uniform electric fiels $\hat E$
cbse
class 12
physics
electric charges and fields
asked
Mar 20, 2019
1
answer
Coulombs states that Force between charges is
cbse
class 12
physics
electric charges and fields
asked
Mar 20, 2019
1
answer
Expression for electric field at any point on axial line of electric dipole is
cbse
class 12
physics
electric charges and fields
asked
Mar 20, 2019
1
answer
Net flux through closed surface S is
cbse
class 12
physics
electric charges and fields
asked
Mar 20, 2019
1
answer
The no of employees in a factory between $1980$ to $2000$ is twice the number who has joined between 2000 and 2018 . if the factory had 20,000 employees by the end of the year 2000 , and x no of the employees joined between 2000 and 2018, then which of the following is true ?
sat
math
linear-equations
no calculator
asked
Mar 19, 2019
1
answer
Which of the following is equivalent $a^{2/7}$ for all values of a?
sat
math
problem-solving-and-data-analysis
no calculator
asked
Mar 19, 2019
1
answer
If $2a=\large\frac{b}{2}$ then what is $4a-b$ ?
sat
math
linear-equations
no calculator
asked
Mar 19, 2019
1
answer
A prayer hall has pillars in the shape of cylinders. A painter is being asked to paint the pillars. His fee is given by the formula $Kn2 \pi rh$, where $n$ stands for number of the pillars, $r$ for radius, $h$ for height and $K$ is a constant. If he is asked to use an expensive paint which factor in the expression would change ?
sat
math
problem-solving-and-data-analysis
no calculator
asked
Mar 19, 2019
1
answer
Convert $39^{\circ}F$ to $^{\circ}$Celsius scale
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 19, 2019
1
answer
The formula to convert Celsius scale to Fahrenheit scale is given by $F=1.8\;c+32$. Which of the following expressions refer to convert Fahrenheit to Celsius scale ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 18, 2019
1
answer
Find the value of $\cot \theta$ , if in a right triangle $ABC$ ,$AB=6\;cm$ and $AC=8\;cm$ right angled at $B$.
sat
math
trigonometry
calculator
asked
Mar 18, 2019
1
answer
What can be the value of $x$ when $|x-5|+5$ equal to zero ?
sat
math
linear-equations
calculator
asked
Mar 4, 2019
1
answer
Which of the following has no co-relation ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 4, 2019
1
answer
Given 1 decagram = 10 grams, 1000 milligram = 1 gram. A hospital stores a type of medicine in 1.5 decagram containers. How many milligrams are there in one container ?
sat
math
problem-solving-and-data-analysis
calculator
asked
Mar 4, 2019
1
answer
If $8+8x$ is 12 more than 20. What is the value of $4x$ ?
sat
math
linear-equations
calculator
asked
Mar 1, 2019
1
answer
$y=mx+c$, where $m$ and $c$ are constants. When $x=5$ => $y=25$. When $x=10$ => $y=35$. What is the value of $c$ ?
sat
math
linear-equations
calculator
asked
Feb 28, 2019
1
answer
If $x= 10 \sqrt 2$ and $3x=\sqrt {2y}$ find the value of $y$
sat
math
linear-equations
no-calculator
asked
Feb 26, 2019
1
answer
In a right triangle, one angle measures $x^{\circ}$ where $\sin x^{\circ}=\large\frac{3}{5}$. What is $\tan (90^{\circ}-x) $ ?
sat
math
trigonometry
no-calculator
asked
Feb 26, 2019
1
answer
If $a+b=7$ and $3a+b=-9$, what is the value of $b$ in the above system of equations ?
sat
math
linear-equations
no-calculator
asked
Feb 26, 2019
1
answer
Given $y>0$ and $y^4-64=0$ , what is the value of y ?
sat
math
lines-angles-and-triangles
asked
Feb 26, 2019
1
answer
If $4x-y=12$, what is the value of $\Large\frac{16^x}{2^y}$ ?
sat
math
quadratic-equations
no-calculator
asked
Feb 26, 2019
1
answer
If $(ax+6)(bx+3) =10x^2+cx+5$ for all values of $x$ , and $a+2b=4$, what is the possible value for $c$ ?
sat
math
quadratic-equations
no-calculator
asked
Feb 26, 2019
1
answer
If $x > -1$ which of the following is equivalent to $\large\frac{1}{x+1}+\frac{2x+1}{3}$
sat
math
linear-equations
no-calculator
asked
Feb 26, 2019
1
answer
For the function $f$ defined below <br> $\qquad \qquad f(x) =c(x+1)-20$ <br>Where $c$ is a constant and $ f(3)=4$ . Find the value of $f(-3)$
sat
math
quadratic-equations
no-calculator
asked
Feb 25, 2019
1
answer
A line in the $xy$-plane passes through the origin and has a slope of $\large\frac{1}{7}$. Which of the following points lies on the line?
sat
math
linear-equations
asked
Feb 25, 2019
1
answer
The equation of a line which lies in the $XY$ plane is given by $x-3y=6$. The slope of the line is
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
$a=5+0.25\;x \\ b=2.5+0.15\;x$ <br>In the equation above , a and b represents the price per pound in dollars , of apples and oranges respectively, $x$ weeks after January 1 during last winter . What it was the price per pound of oranges when it was equal to price per pound of apples ?
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
The solution for $4x+2y=7$ and $y-3x=4$ is
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
Given $\large\frac{x}{y}$$=8$. What is the value of $\large\frac{3x}{4y}$?
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
The volume of a frustum of a cone is given by $V=\large\frac{1}{3} $$ \pi h \{ r_1^2+r_1r_2+r_2^2\}$ Where $'V' $ is the volume , $'h'$ is the height of the frustum $r_1$ and $r_2$ are respectively the upper and lower radii of the frustum of cone. which of the following gives $h$ in terms of $v, r$ and $r_2$?
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
$(4x^3y+4x^2z-3x^2)+(x^3y-2x^2-5x^2z)$ <br>is equivalent to :
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
$P=4t+10$ In a pottery shop , the seller sets his target as given in the above equation, where $P$ is the amount in dollars he earns and $'t'$ is the number of toys he makes each day . Based on this what can be the estimated increase in the amount each week ?
sat
math
linear-equations
no-calculator
asked
Feb 25, 2019
1
answer
How many moles of electron weight one kiligram ?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
What is molarity of a solution contain $5.84\;gms$ of $NaCl$ in 200 ml of solution ?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
What is the percentage of carbon , hydrogen and oxygen in ethanol ?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
What do you mean by gram atomic mass. one million silver atoms weigh $1.79 \times 10^{16}\;g$ . Calculate the gram atomic mass of silver.
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
How can we say that sugar is solid and water is liquid ?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
write the number of moles in 8g of helium
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
$4g$ of impure $CaCO_3$ on treatment with excess HCl produces $0.88\; g\; CO_2$. What is the percent purity of $CaCO_3$ sample?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 19, 2019
1
answer
Steve is a repair technician for a laptop company . Each week he receives a set of laptops to be repaired . The number of laptop that is left to be fixed at each day can be estimated by the equation . $l= 105 - 21d$ , where $l$ is the number of laptops left and $d$ is the number of days she has worked that week. What is the meaning of the value of 105 in this equation ?
sat
math
linear-equations
no-calculator
asked
Feb 18, 2019
1
answer
On sunday evening kathy sent $x$ text message each hour for 3 hours and Arnold sent $y$ text message each hour for 5 hours . Which of the following represent the total number of message sent by kathy and Arnold on sunday evening ?
sat
math
linear-equations
no-calculator
asked
Feb 18, 2019
1
answer
For $i= \sqrt {-1}$ , find the value of $(3+i)(3-i)$
sat
math
trigonometry
no-calculator
asked
Feb 18, 2019
1
answer
If $\large\frac{a-3}{4}$ = $k$ and $k=4$ what is the value of $a$
sat
math
linear-equations
no-calculator
asked
Feb 18, 2019
1
answer
Vapour density of a gas is 22. What is its molecular mass?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 18, 2019
1
answer
Which pair of species have same percentage of carbon?$(A) CH_3COOH \;and\; C_6H_{12}O_6\\ (B) CH_3COOH\; and\; C_2H_5OH \\ (C) HCOOCH_3 \;and\; C_{12}H_{22}O_{11} \\ (D) C_6H_{12}O_6 \;and C_{12}H_{22}O_{11}$
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 18, 2019
1
answer
How many moles of electrons weigh one kilogram?
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 18, 2019
1
answer
The density of $2M$ solution of sodium chloride (NaCl) $1.13\; g\; mol/litre$. Calculate molality of the solution. $M= 2$ mol per litre.
cbse
class11
chemistry
ch1
some-basic-concepts-of-chemistry
asked
Feb 18, 2019
1
answer
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